问题：乙醇胺，二甲基乙醇胺的PH值各是多少？
类型：求助 (悬赏分:3分)
提问：方源
等级：▲
版块：分析化学(wangsui,maqinghe,peiliang,)
信誉：75%
回复：7
阅读：1400
时间：2005-11-15 15:03:11 编辑加入/取消收藏订制/取消短消息举报该贴

做实验需要调溶液的PH值，我查了一些书，都查不到。请问这两个试剂的PH值是多少。关于这类问题在哪些类型的书上可以查到。
谢谢～～～

回复人：方源,▲ (Hard Hard Study Day Day Up) 时间：2006-05-12 23:51:35 编辑	1楼
非常感谢：）

回复人：upstart,★ (药物设计及合成,感兴趣精细化工) 时间：2006-05-16 10:20:28 编辑	2楼
您的问题不准确. 乙醇胺，二甲基乙醇胺的PH值与它们在水中浓度有关.

回复人：wangjinyon,★ (化工成就了我,我会成就化工) 时间：2005-11-15 16:29:09 编辑	3楼
乙醇胺 12.1

回复人：wangjinyon,★ (化工成就了我,我会成就化工) 时间：2005-11-15 16:31:14 编辑	4楼
二甲基乙醇胺 10.5~11.0

回复人：wangjinyon,★ (化工成就了我,我会成就化工) 时间：2005-11-15 16:31:55 编辑

5楼

二甲基乙醇胺安全数据表 10.5~11.0

SIGMA-ALDRICH
MATERIAL SAFETY DATA SHEET
Date Printed: 11/15/2005
Date Updated: 04/07/2004
Version 1.3
Section 1 - Product and Company Information
Product Name N,N-DIMETHYLETHANOLAMINE,
REDISTILLED, 99.5+%
Product Number 391263
Brand ALDRICH
Company Sigma-Aldrich
Street Address 3050 Spruce Street
City, State, Zip, Country SAINT LOUIS MO 63103 US
Technical Phone: 314 771 5765
Emergency Phone: 414 273 3850 Ext. 5996
Fax: 800 325 5052
Section 2 - Composition/Information on Ingredient
Substance Name CAS # SARA 313
N,N-DIMETHYLETHANOLAMINE 108-01-0 No
Formula C4H11NO
Synonyms Amietol M 21 * Bimanol * Deanol *
Dimethylaethanolamin (German) *
Dimethylaminoaethanol (German) *
Dimethylaminoethanol * beta-Dimethylaminoethanol
* N-Dimethylaminoethanol *
N,N-Dimethylaminoethanol *
2-(Dimethylamino)ethanol *
beta-Dimethylaminoethyl alcohol *
N,N-Dimethylethanolamine *
N,N-Dimethyl-N-(2-hydroxyethyl)amine *
N,N-Dimethyl-2-hydroxyethylamine * DMAE *
2-Dwumetyloaminoetanolu (Polish) *
beta-Hydroxyethyldimethylamine * Kalpur P *
Liparon * Norcholine * Propamine A * Texacat DME
RTECS Number: KK6125000
Section 3 - Hazards Identification
EMERGENCY OVERVIEW
Combustible (USA) Flammable (EU). Corrosive.
Harmful by inhalation, in contact with skin and if swallowed.
Causes burns. May cause sensitization by skin contact.
Lachrymator. Target organ(s): Central nervous system.
HMIS RATING
HEALTH: 3*
FLAMMABILITY: 2
REACTIVITY: 0
NFPA RATING
HEALTH: 3
FLAMMABILITY: 2
REACTIVITY: 0
*additional chronic hazards present.
For additional information on toxicity, please refer to Section 11.
Section 4 - First Aid Measures
ORAL EXPOSURE
If swallowed, wash out mouth with water provided person is
conscious. Call a physician. Do not induce vomiting.
INHALATION EXPOSURE
If inhaled, remove to fresh air. If not breathing give
artificial respiration. If breathing is difficult, give oxygen.
DERMAL EXPOSURE
In case of skin contact, flush with copious amounts of water for
at least 15 minutes. Remove contaminated clothing and shoes.
Call a physician.
EYE EXPOSURE
In case of contact with eyes, flush with copious amounts of
water for at least 15 minutes. Assure adequate flushing by
separating the eyelids with fingers. Call a physician.
Section 5 - Fire Fighting Measures
FLASH POINT
102 °F 39 °C Method: closed cup
EXPLOSION LIMITS
Lower: 1.4 % Upper: 12.2 %
AUTOIGNITION TEMP
245 °C
FLAMMABILITY
N/A
EXTINGUISHING MEDIA
Suitable: Carbon dioxide, dry chemical powder, or appropriate
foam.
FIREFIGHTING
Protective Equipment: Wear self-contained breathing apparatus
and protective clothing to prevent contact with skin and eyes.
Specific Hazard(s): Combustible liquid. Emits toxic fumes under
fire conditions.
Section 6 - Accidental Release Measures
PROCEDURE TO BE FOLLOWED IN CASE OF LEAK OR SPILL
Evacuate area. Shut off all sources of ignition.
PROCEDURE(S) OF PERSONAL PRECAUTION(S)
Wear self-contained breathing apparatus, rubber boots, and heavy
rubber gloves.
METHODS FOR CLEANING UP
Cover with dry lime or soda ash, pick up, keep in a closed
container, and hold for waste disposal. Ventilate area and wash
spill site after material pickup is complete.
ALDRICH - 391263 www.sigma-aldrich.com Page 2
Section 7 - Handling and Storage
HANDLING
User Exposure: Do not breathe vapor. Do not get in eyes, on
skin, on clothing. Avoid prolonged or repeated exposure.
STORAGE
Suitable: Keep tightly closed. Keep away from heat and open
flame. Store in a cool dry place.
SPECIAL REQUIREMENTS
Handle and store under inert gas.
Section 8 - Exposure Controls / PPE
ENGINEERING CONTROLS
Safety shower and eye bath. Use only in a chemical fume hood.
PERSONAL PROTECTIVE EQUIPMENT
Respiratory: Government approved respirator.
Hand: Compatible chemical-resistant gloves.
Eye: Chemical safety goggles.
Other: Faceshield (8-inch minimum).
GENERAL HYGIENE MEASURES
Wash contaminated clothing before reuse. Discard contaminated
shoes. Wash thoroughly after handling.
Section 9 - Physical/Chemical Properties
Appearance Physical State: Clear liquid
Color: Very faintly yellow
Odor: Fishy
Property Value At Temperature or Pressure
Molecular Weight 89.14 AMU
pH 10.5 - 11.0 20 °C Concentration: 100
g/l
BP/BP Range 134.0 - 136.0 °C
MP/MP Range - 70.0 °C
Freezing Point N/A
Vapor Pressure 6.12 mmHg 20 °C
Vapor Density 3.1 g/l
Saturated Vapor Conc. N/A
SG/Density 0.886 g/cm3
Bulk Density N/A
Odor Threshold N/A
Volatile% N/A
VOC Content N/A
Water Content N/A
Solvent Content N/A
Evaporation Rate N/A
Viscosity N/A
Surface Tension N/A
Partition Coefficient Log Kow: 0.55
Decomposition Temp. N/A
Flash Point 102 °F 39 °C Method: closed cup
Explosion Limits Lower: 1.4 %
Upper: 12.2 %
Flammability N/A
ALDRICH - 391263 www.sigma-aldrich.com Page 3
Autoignition Temp 245 °C
Refractive Index 1.43
Optical Rotation N/A
Miscellaneous Data N/A
Solubility Solubility in Water:Soluble.
N/A = not available
Section 10 - Stability and Reactivity
STABILITY
Stable: Stable.
Materials to Avoid: Avoid contact with acid., Galvanized iron,
Zinc Copper, Copper alloys, Oxidizing agents
HAZARDOUS DECOMPOSITION PRODUCTS
Hazardous Decomposition Products: Nitrogen oxides Carbon monoxide,
Carbon dioxide.
HAZARDOUS POLYMERIZATION
Hazardous Polymerization: Will not occur
Section 11 - Toxicological Information
ROUTE OF EXPOSURE
Skin Contact: Causes burns.
Skin Absorption: Harmful if absorbed through skin.
Eye Contact: Lachrymator. Causes burns.
Inhalation: Harmful if inhaled. Material is extremely
destructive to the tissue of the mucous membranes and upper
respiratory tract.
Ingestion: Harmful if swallowed.
SENSITIZATION
Skin: May cause allergic skin reaction.
TARGET ORGAN(S) OR SYSTEM(S)
Central nervous system.
SIGNS AND SYMPTOMS OF EXPOSURE
Symptoms of exposure may include burning sensation, coughing,
wheezing, laryngitis, shortness of breath, headache, nausea, and
vomiting. Inhalation may result in spasm, inflammation and edema
of the larynxand bronchi, chemical pneumonitis, and pulmonary
edema. Material is extremely destructive to tissue of the mucous
membranes and upper respiratory tract, eyes, and skin.
TOXICITY DATA
Oral
Rat
2000 mg/kg
LD50
Inhalation
Rat
1,641 ppm
LC50
Remarks: Sense Organs and Special Senses (Nose, Eye, Ear, and
Taste):Eye:Lacrimation. Behavioral:Ataxia. Lungs, Thorax, or
Respiration:Dyspnea.
ALDRICH - 391263 www.sigma-aldrich.com Page 4
Intraperitoneal
Rat
1080 MG/KG
LD50
Remarks: Biochemical:Enzyme inhibition, induction, or change in
blood or tissue levelsTrue cholinesterase.
Inhalation
Mouse
3,250 mg/m3
LC50
Remarks: Sense Organs and Special Senses (Nose, Eye, Ear, and
Taste):Eye:Conjunctive irritation. Brain and
Coverings:Recordings from specific areas of CNS.
Behavioral:Convulsions or effect on seizure threshold.
Intraperitoneal
Mouse
234 MG/KG
LD50
Remarks: Behavioral:Ataxia.
Subcutaneous
Mouse
961 MG/KG
LD50
Remarks: Behavioral:Tremor. Behavioral:Coma. Lungs, Thorax, or
Respiration:Other changes.
Skin
Rabbit
1370 UL/KG
LD50
IRRITATION DATA
Skin
Rabbit
Remarks: Severe irritation effect
Skin
Rabbit
445 mg
Remarks: Open irritation test
Eyes
Rabbit
0.005 ml
Remarks: Severe irritation effect
Section 12 - Ecological Information
ACUTE ECOTOXICITY TESTS
Test Type: LC50 Fish
Species: Leuciscus idus
Time: 96 h
Value: > 100.0 - 220.0 mg/l
Test Type: EC50 Daphnia
Species: Daphnia
Time: 48 h
Value: 98.37 mg/l
ALDRICH - 391263 www.sigma-aldrich.com Page 5
Test Type: EC50 Algae
Time: 72 h
Value: 35 mg/l
Test Type: LC50 Bacteria
Time: 17 h
Value: > 8,000 mg/l
ELIMINATION
Elimination: > 60 %
Section 13 - Disposal Considerations
APPROPRIATE METHOD OF DISPOSAL OF SUBSTANCE OR PREPARATION
Contact a licensed professional waste disposal service to dispose
of this material. Dissolve or mix the material with a combustible
solvent and burn in a chemical incinerator equipped with an
afterburner and scrubber. Observe all federal, state, and local
environmental regulations.
Section 14 - Transport Information
DOT
Proper Shipping Name: 2-Dimethylaminoethanol
UN#: 2051
Class: 8
Packing Group: Packing Group II
Hazard Label: Corrosive
Hazard Label: Flammable liquid
PIH: Not PIH
IATA
Proper Shipping Name: 2-Dimethylaminoethanol
IATA UN Number: 2051
Hazard Class: 8
Packing Group: II
Section 15 - Regulatory Information
EU DIRECTIVES CLASSIFICATION
Symbol of Danger: C
Indication of Danger: Corrosive.
R: 10-20/21/22-34
Risk Statements: Flammable. Harmful by inhalation, in contact
with skin and if swallowed. Causes burns.
S: 25-26-36/37/39-45
Safety Statements: Avoid contact with eyes. In case of contact
with eyes, rinse immediately with plenty of water and seek
medical advice. Wear suitable protective clothing, gloves, and
eye/face protection. In case of accident or if you feel unwell,
seek medical advice immediately (show the label where possible).
US CLASSIFICATION AND LABEL TEXT
Indication of Danger: Combustible (USA) Flammable (EU).
Corrosive.
Risk Statements: Harmful by inhalation, in contact with skin and
if swallowed. Causes burns. May cause sensitization by skin
contact.
Safety Statements: Keep away from sources of ignition - no
smoking. Do not breathe vapor. In case of contact with eyes,
ALDRICH - 391263 www.sigma-aldrich.com Page 6
rinse immediately with plenty of water and seek medical advice.
Wear suitable protective clothing, gloves, and eye/face
protection.
US Statements: Lachrymator. Target organ(s): Central nervous
system.
UNITED STATES REGULATORY INFORMATION
SARA LISTED: No
TSCA INVENTORY ITEM: Yes
CANADA REGULATORY INFORMATION
WHMIS Classification: This product has been classified in
accordance with the hazard criteria of the CPR, and the MSDS
contains all the information required by the CPR.
DSL: Yes
NDSL: No
Section 16 - Other Information
DISCLAIMER
For R&D use only. Not for drug, household or other uses.
WARRANTY
The above information is believed to be correct but does not
purport to be all inclusive and shall be used only as a guide. The
information in this document is based on the present state of our
knowledge and is applicable to the product with regard to
appropriate safety precautions. It does not represent any
guarantee of the properties of the product. Sigma-Aldrich Inc.,
shall not be held liable for any damage resulting from handling or
from contact with the above product. See reverse side of invoice
or packing slip for additional terms and conditions of sale.
Copyright 2005 Sigma-Aldrich Co. License granted to make unlimited
paper copies for internal use only.
ALDRICH - 391263 www.sigma-aldrich.com Page 7

[该帖子已被wangjinyon在2005-11-15 16:33:44编辑过]

回复人：wangjinyon,★ (化工成就了我,我会成就化工) 时间：2005-11-15 16:33:21 编辑

6楼

乙醇胺安全数据表 12.1

Language: EN
Country:

**** MATERIAL SAFETY DATA SHEET ****

Ethanolamine Purified 1l
08710

**** SECTION 1 - CHEMICAL PRODUCT AND COMPANY IDENTIFICATION ****

MSDS Name: Ethanolamine Purified 1l
Catalog Numbers:
E/0700, E/0701, E/0702
Synonyms:
Company Identification: Fisher Scientific UK
Bishop Meadow Road
Loughborough, Leicestershire
LE11 5RG, UK
For information, call: 01509 231166
For emergencies, call: 01509 231166

**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+-----------+---------------+
| CAS# | Chemical Name | % | EINECS# |Haz Symbols| Risk Phrases |
|----------------|--------------------------------------|----------|-----------|-----------|---------------+
| 141-43-5 |ETHANOLAMINE | | 205-483-3 |||
+----------------+--------------------------------------+----------+-----------+-----------+---------------+
Hazard Symbols: XI
Risk Phrases: 36/37/38 20

**** SECTION 3 - HAZARDS IDENTIFICATION ****

EMERGENCY OVERVIEW
Irritating to eyes, respiratory system and skin. Harmful by
inhalation.

Potential Health Effects
The toxicological properties of this material have not been
investigated. Use appropriate procedures to prevent opportunities
for direct contact with the skin or eyes and to prevent inhalation.

**** SECTION 4 - FIRST AID MEASURES ****

Eyes:
Not available.
Skin:
Not available.
Ingestion:
Do NOT induce vomiting. If conscious and alert, rinse mouth and
drink 2-4 cupfuls of milk or water.
Inhalation:
Not available.
Notes to Physician:

**** SECTION 5 - FIRE FIGHTING MEASURES ****

General Information:
As in any fire, wear a self-contained breathing apparatus in
pressure-demand, MSHA/NIOSH (approved or equivalent), and full
protective gear.
Extinguishing Media:
In case of fire, use water, dry chemical, chemical foam, or
alcohol-resistant foam.

**** SECTION 6 - ACCIDENTAL RELEASE MEASURES ****

General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth),
then place in suitable container.

**** SECTION 7 - HANDLING and STORAGE ****

Handling:
Not available.
Storage:
Not available.

**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****

Engineering Controls:
Use adequate general or local exhaust ventilation to keep airborne
concentrations below the permissible exposure limits.
Personal Protective Equipment

Eyes:
Wear safety glasses and chemical goggles if splashing
is possible.
Skin:
Wear appropriate protective gloves and clothing to
prevent skin exposure.
Clothing:
Wear appropriate protective clothing to minimize
contact with skin.
Respirators:
Wear a NIOSH/MSHA or European Standard EN 149
approved full-facepiece airline respirator in the
positive pressure mode with emergency escape
provisions.

**** SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES ****

Physical State: Liquid
Color: Colorless, viscous, hygroscopic
Odor: Ammoniacal odor.
pH: 12.1 @ 1N
Vapor Pressure: .48 mm Hg @ 20C
Viscosity: 24 cP 20 C
Boiling Point: 170 deg C
Freezing/Melting Point: 10 deg C
Autoignition Temperature: 780 deg C ( 1,436.00 deg F)
Flash Point: 85 deg C ( 185.00 deg F)
Explosion Limits, lower: 5.5
Explosion Limits, upper: 17
Decomposition Temperature: Not available.
Solubility in water: Miscible in water.
Specific Gravity/Density: 1.018 @ 20C
Molecular Formula: C2H7NO
Molecular Weight: 61.0551

**** SECTION 10 - STABILITY AND REACTIVITY ****

Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Not available.
Incompatibilities with Other Materials:
Aluminum - galvanized iron - acid anhydrides - acids - oxidizing
agents - acid chlorides - copper.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, carbon dioxide, nitrogen.
Hazardous Polymerization: Has not been reported.

**** SECTION 11 - TOXICOLOGICAL INFORMATION ****

RTECS#:
CAS# 141-43-5: KJ5775000
LD50/LC50:
CAS# 141-43-5: Draize test, rabbit, eye: 250 ug Severe; Oral, mouse:
LD50 = 700 mg/kg; Oral, rabbit: LD50 = 1 gm/kg; Oral, rat: LD50 =
1720 mg/kg; Skin, rabbit: LD50 = 1 mL/kg.
Carcinogenicity:
ETHANOLAMINE -
Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA.
See actual entry in RTECS for complete information.

**** SECTION 12 - ECOLOGICAL INFORMATION ****

**** SECTION 13 - DISPOSAL CONSIDERATIONS ****

Products which are considered hazardous for supply are classified as Special
Waste and the disposal of such chemicals is covered by regulations which may
vary according to location. Contact a specialist disposal company or the local
waste regulator for advice. Empty containers must be decontaminated before
returning for recycling.

**** SECTION 14 - TRANSPORT INFORMATION ****

IATA
Shipping Name: ETHANOLAMINE
Hazard Class: 8
UN Number: 2491
Packing Group: III
IMO
Shipping Name: ETHANOLAMINE
Hazard Class: 8
UN Number: 2491
Packing Group: III
RID/ADR
Shipping Name: ETHANOLAMINE
Hazard Class: 8
UN Number: 2491
Packing group: III

**** SECTION 15 - REGULATORY INFORMATION ****

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XI
Risk Phrases:
R 20 Harmful by inhalation.
R 36/37/38 Irritating to eyes, respiratory system
and skin.
Safety Phrases:
WGK (Water Danger/Protection)
CAS# 141-43-5: 1
United Kingdom Occupational Exposure Limits
CAS# 141-43-5: OES-United Kingdom, TWA 3 ppm TWA; 7.6 mg/m3 TWA
CAS# 141-43-5: OES-United Kingdom, STEL 6 ppm STEL; 15 mg/m3 STEL
United Kingdom Maximum Exposure Limits

Canada
CAS# 141-43-5 is listed on Canada's DSL List.
CAS# 141-43-5 is listed on Canada's Ingredient Disclosure List.
Exposure Limits
CAS# 141-43-5: OEL-ARAB Republic of Egypt:TWA 3 ppm (6 mg/m3)
OEL-AUSTRALIA:TWA 3 ppm (8 mg/m3);STEL 6 ppm (15 mg/m3)
OEL-BELGIUM:TWA 3 ppm (7.5 mg/m3);STEL 6 ppm (15 mg/m3)
OEL-DENMARK:TWA 6 ppm (6 mg/m3)
OEL-FINLAND:TWA 3 ppm (7.5 mg/m3);STEL 6 ppm (15 mg/m3)
OEL-FRANCE:TWA 3 ppm (8 mg/m3)
OEL-GERMANY:TWA 3 ppm (8 mg/m3)
OEL-JAPAN:TWA 3 ppm (7.5 mg/m3)
OEL-THE NETHERLANDS:TWA 3 ppm (8 mg/m3)
OEL-THE PHILIPPINES:TWA 3 ppm (6 mg/m3)
OEL-RUSSIA:TWA 3 ppm;STEL 0.5 mg/m3;Skin
OEL-SWITZERLAND:TWA 3 ppm (7.5 mg/m3);STEL 15 ppm (37.5 mg/m3)
OEL-UNITED KINGDOM:TWA 3 ppm (8 mg/m3);STEL 6 ppm (15 mg/m3)
OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV
OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGI TLV
US FEDERAL
TSCA
CAS# 141-43-5 is listed on the TSCA inventory.

**** SECTION 16 - ADDITIONAL INFORMATION ****

MSDS Creation Date: 2/18/1995 Revision #0 Date: Original.

The information above is believed to be accurate and represents the best
information currently available to us. However, we make no warranty of
merchantability or any other warranty, express or implied, with respect to
such information, and we assume no liability resulting from its use. Users
should make their own investigations to determine the suitability of the
information for their particular purposes. In no way shall the company be
liable for any claims, losses, or damages of any third party or for lost
profits or any special, indirect, incidental, consequential or exemplary
damages, howsoever arising, even if the company has been advised of
the possibility of such damages.
--------------------------------------------------------------------------------

回复人：方源,▲ (Hard Hard Study Day Day Up) 时间：2008-08-12 13:32:59 编辑	7楼
已经打分了！

得分人：wangjinyon :3, upstart :1,

问题讨论没有结束...

您尚未进入本论坛,登录之后才可以回贴

9msec