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MSDS 
:
 1,1,1-Trichloroethane
CAS 
:
 71-55-6
SYNONYMS 
:
 Methyl chloroform; Methyltrichloromethane; Trichloroethane;     Trichloromethylmethane; 1,1,1-TCE.
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| 71-55-6 |1,1,1-Trichloroethane | >96 | 200-756-3 |
|----------------|--------------------------------------|----------|-----------|
| 75-52-5 |Nitromethane | 0.34 | 200-876-6 |
|----------------|--------------------------------------|----------|-----------|
| 106-88-7 |1,2-Butylene oxide | 0.47 | 203-438-2 |
|----------------|--------------------------------------|----------|-----------|
| 123-91-1 |1,4-Dioxane | 2.5 | 204-661-8 |
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
Hazard Symbols: XN N
Risk Phrases: 20 59

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

EMERGENCY OVERVIEW
Harmful by inhalation. Dangerous for the ozone layer.

Potential Health Effects
Eye:
Causes mild eye irritation. Vapors may cause eye irritation.
Skin:
Causes skin irritation. Prolonged or repeated contact may dry/defat
the skin and cause irritation.
Ingestion:
Causes gastrointestinal irritation with nausea, vomiting and
diarrhea. Low hazard for usual industrial handling.
Inhalation:
Inhalation of high concentrations may cause central nervous system
effects characterized by nausea, headache, dizziness, unconsciousness
and coma. May cause narcotic effects in high concentration. Causes
irritation of the mucous membrane and upper respiratory tract.
Chronic:
Prolonged or repeated skin contact may cause defatting and
dermatitis. Exposure to high concentrations may cause central nervous
system depression.

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

Eyes:
In case of contact, immediately flush eyes with plenty of water for
at least 15 minutes. Get medical aid.
Skin:
In case of contact, flush skin with plenty of water. Remove
contaminated clothing and shoes. Get medical aid if irritation
develops and persists. Wash clothing before reuse.
Ingestion:
Potential for aspiration if swallowed. Get medical aid immediately.
Do not induce vomiting unless directed to do so by medical
personnel. Never give anything by mouth to an unconscious person.
Inhalation:
If inhaled, remove to fresh air. If not breathing, give artificial
respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:
Alcoholic beverage consumption may enhance the toxic effects of this
substance.

**** 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. During a fire, irritating and highly toxic gases
may be generated by thermal decomposition or combustion. Use water
spray to keep fire-exposed containers cool. Substance is
nonflammable. Vapors may accumulate in confined spaces Methyl
chloroform burns only in excess oxygen or in air if a strong source
of ignition is present. No flash point in conventional closed
tester; however, vapors in containers can explode if subjected to
high energy source.
Extinguishing Media:
Use extinguishing media most appropriate for the surrounding fire.

**** 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. Clean up spills immediately,
observing precautions in the Protective Equipment section. Provide
ventilation. Approach spill from upwind.

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

Handling:
Wash thoroughly after handling. Remove contaminated clothing and
wash before reuse. Use with adequate ventilation. Avoid contact with
eyes, skin, and clothing. Keep container tightly closed. Avoid
breathing vapor.
Storage:
Store in a cool, dry, well-ventilated area away from incompatible
substances. Do not store in aluminum containers.

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

Engineering Controls:
Facilities storing or utilizing this material should be equipped
with an eyewash facility and a safety shower. Use adequate general or
local exhaust ventilation to keep airborne concentrations below the
permissible exposure limits.
Exposure Limits
CAS# 71-55-6:
United Kingdom, WEL - TWA: 100 ppm TWA; 555 mg/m3 TWA
United Kingdom, WEL - STEL: 200 ppm STEL; 1110 mg/m3 STEL
United States OSHA: 350 ppm TWA; 1900 mg/m3 TWA
Belgium - TWA: 350 ppm VLE; 1938 mg/m3 VLE
Belgium - STEL: 200 ppm VLE; 1110 mg/m3 VLE
France - VME: 300 ppm VME; 1650 mg/m3 VME
France - VLE: 450 ppm VLE; 2500 mg/m3 VLE
Germany: 200 ppm TWA; 1100 mg/m3 TWA
Germany: Skin absorber
Japan: 200 ppm OEL; 1100 mg/m3 OEL
Malaysia: 350 ppm TWA; 1910 mg/m3 TWA
Netherlands: 100 ppm MAC; 555 mg/m3 MAC
Russia: 20 mg/m3 TWA
Spain: 100 ppm VLA-ED; 555 mg/m3 VLA-ED
Spain: 200 ppm VLA-EC; 1110 mg/m3 VLA-EC
CAS# 75-52-5:
United Kingdom, WEL - TWA: 100 ppm TWA; 254 mg/m3 TWA
United Kingdom, WEL - STEL: 150 ppm STEL; 381 mg/m3 STEL
United States OSHA: 100 ppm TWA; 250 mg/m3 TWA
Belgium - TWA: 20 ppm VLE; 51 mg/m3 VLE
France - VME: 100 ppm VME; 250 mg/m3 VME
Germany: 100 ppm TWA; 250 mg/m3 TWA
Germany: Skin absorber
Malaysia: 20 ppm TWA; 50 mg/m3 TWA
Netherlands: 20 ppm MAC; 50 mg/m3 MAC
Russia: 30 mg/m3 TWA
Spain: 20 ppm VLA-ED; 51 mg/m3 VLA-ED
CAS# 106-88-7:

CAS# 123-91-1:
United Kingdom, WEL - TWA: 25 ppm TWA; 91 mg/m3 TWA
United Kingdom, WEL - STEL: 100 ppm STEL; 366 mg/m3 STEL
United States OSHA: 100 ppm TWA; 360 mg/m3 TWA
Belgium - TWA: 25 ppm VLE; 91 mg/m3 VLE
France - VME: 10 ppm VME; 35 mg/m3 VME
France - VLE: 40 ppm VLE; 140 mg/m3 VLE
Germany: 20 ppm TWA; 73 mg/m3 TWA
Germany: Skin absorber
Japan: 10 ppm OEL; 36 mg/m3 OEL
Malaysia: 20 ppm TWA; 72.1 mg/m3 TWA
Netherlands: 22 ppm STEL; 80 mg/m3 STEL
Netherlands: 11 ppm MAC; 40 mg/m3 MAC
Russia: 10 mg/m3 TWA
Spain: 20 ppm VLA-ED; 74 mg/m3 VLA-ED

Personal Protective Equipment

Eyes:
Wear chemical splash goggles.
Skin:
Wear appropriate protective gloves to prevent skin
exposure.
Clothing:
Wear appropriate protective clothing to minimize
contact with skin.
Respirators:
A respiratory protection program that meets OSHA's 29
CFR 1910.134 and ANSI Z88.2 requirements or European
Standard EN 149 must be followed whenever workplace
conditions warrant respirator use.

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

Physical State: Liquid
Color: colorless
Odor: Sweet, mild chloroform-like.
pH: Not applicable.
Vapor Pressure: 100 mm Hg @ 20 deg C
Viscosity: 0.86 cP @ 20 deg C
Boiling Point: 74 deg C
Freezing/Melting Point: -33 deg C
Autoignition Temperature: 500 deg C ( 932.00 deg F)
Flash Point: Not applicable.
Explosion Limits, lower: 7.0 vol %
Explosion Limits, upper: 16 vol %
Decomposition Temperature: > 260 deg C
Solubility in water: Insoluble.
Specific Gravity/Density: 1.338 (water=1)
Molecular Formula: C2H3Cl3
Molecular Weight: 133.38

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

Chemical Stability:
Because of 1,1,1-TCE's reactivity with magnesium, aluminum, & their
alloys, inhibitors (like 1,4-dioxane, 1,3-dioxolane, isobutyl
alcohol, or nitroethane) are often added to increase the stability
of the solvent & prevent corrosion of metal parts.
1,1,1-Trichloroethane reacts slowly with water to produce
hydrochloric acid.
Conditions to Avoid:
High temperatures, ignition sources, moisture, confined spaces.
Incompatibilities with Other Materials:
Strong oxidizing agents, strong bases, aluminum, magnesium,
chemically active metals.
Hazardous Decomposition Products:
Hydrogen chloride, chlorine, phosgene, carbon monoxide, carbon
dioxide.
Hazardous Polymerization: Will not occur.

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

RTECS#:
CAS# 71-55-6: KJ2975000
CAS# 75-52-5: PA9800000
CAS# 106-88-7: EK3675000
CAS# 123-91-1: JG8225000
LD50/LC50:
CAS# 71-55-6: Draize test, rabbit, eye: 100 mg Mild; Draize test,
rabbit, eye: 2 mg/24H Severe; Draize test, rabbit, skin: 5 gm/12D
(Intermittent) Mild; Draize test, rabbit, skin: 20 mg/24H Moderate;
Inhalation, mouse: LC50 = 3911 ppm/2H; Inhalation, mouse: LC50 =
29492 ppm/10M; Inhalation, rat: LC50 = 17000 ppm/4H; Inhalation, rat:
LC50 = 14250 ppm/7H; Inhalation, rat: LC50 = 20000 ppm/2H; Oral,
mouse: LD50 = 6 gm/kg; Oral, rabbit: LD50 = 5660 mg/kg; Oral, rat:
LD50 = 9600 mg/kg; Oral, rat: LD50 = 12.3 gm/kg.
CAS# 75-52-5: Oral, mouse: LD50 = 950 mg/kg; Oral, rat: LD50 = 940
mg/kg.
CAS# 106-88-7: Draize test, rabbit, eye: 100 mg/24H Moderate; Draize
test, rabbit, skin: 500 mg/24H Mild; Inhalation, rat: LC50 = 6300
mg/m3/4H; Oral, rat: LD50 = 500 mg/kg; Skin, rabbit: LD50 = 2100
uL/kg.
CAS# 123-91-1: Draize test, rabbit, eye: 100 mg Severe; Draize test,
rabbit, eye: 100 mg/24H Moderate; Inhalation, mouse: LC50 = 37
gm/m3/2H; Inhalation, rat: LC50 = 46 gm/m3/2H; Oral, mouse: LD50 =
5300 mg/kg; Oral, rabbit: LD50 = 2 gm/kg; Oral, rat: LD50 = 4200
mg/kg; Skin, rabbit: LD50 = 7600 uL/kg.
Carcinogenicity:
1,1,1-Trichloroethane -
Not listed by ACGIH, IARC, or NTP.
Nitromethane -
ACGIH: A3 - Confirmed animal carcinogen with unknown relevance to
California: carcinogen, initial date 5/1/97
NTP: Suspect carcinogen
IARC: Group 2B carcinogen
1,2-Butylene oxide -
IARC: Group 2B carcinogen
1,4-Dioxane -
ACGIH: A3 - Confirmed animal carcinogen with unknown relevance to
California: carcinogen, initial date 1/1/88
NTP: Suspect carcinogen
IARC: Group 2B carcinogen
Other:
See actual entry in RTECS for complete information.

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

Ecotoxicity:
Fish: Fathead Minnow: EC50 = 52.9 mg/L; 96 Hr; Flow-through at
25.5CFish: Bluegill/Sunfish: LC50 = 72 mg/L; 96 Hr; Static
bioassayFish: Fathead Minnow: LC50 = 52.9 mg/L; 96 Hr; Flow-through
at 25.5CFish: Sheepshead minnow: LC50 = 53-72 mg/L; 96 Hr;
UnspecifiedWater flea Daphnia: EC50 > 530 mg/L; 48 Hr;
UnspecifiedReleases to surface water will decrease in concn almost
entirely due to evaporation. Spills on land will decrease in
concentration almost entirely due to volatilization and leaching.

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

Dispose of in a manner consistent with federal, state, and local regulations.

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

IATA
Shipping Name: 1,1,1-TRICHLOROETHANE
Hazard Class: 6.1
UN Number: 2831
Packing Group: III
IMO
Shipping Name: 1,1,1-TRICHLOROETHANE
Hazard Class: 6.1
UN Number: 2831
Packing Group: III
RID/ADR
Shipping Name: 1,1,1-TRICHLOROETHANE
Hazard Class: 6.1
UN Number: 2831
Packing group: III
USA RQ: CAS# 71-55-6: 1000 lb final RQ; 454 kg final RQ
USA RQ: CAS# 106-88-7: 100 lb final RQ; 45.4 kg final RQ
USA RQ: CAS# 123-91-1: 100 lb final RQ; 45.4 kg final RQ

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XN N
Risk Phrases:
R 20 Harmful by inhalation.
R 59 Dangerous for the ozone layer.
Safety Phrases:
S 24/25 Avoid contact with skin and eyes.
S 59 Refer to manufacturer/supplier for information
on recovery/recycling.
S 61 Avoid release to the environment. Refer to
special instructions/safety data sheets.
WGK (Water Danger/Protection)
CAS# 71-55-6: 3
CAS# 75-52-5: 2
CAS# 106-88-7: 3
CAS# 123-91-1: 2
Canada
CAS# 71-55-6 is listed on Canada's DSL List.
CAS# 75-52-5 is listed on Canada's DSL List.
CAS# 106-88-7 is listed on Canada's DSL List.
CAS# 123-91-1 is listed on Canada's DSL List.
CAS# 71-55-6 is listed on Canada's Ingredient Disclosure List.
CAS# 75-52-5 is listed on Canada's Ingredient Disclosure List.
CAS# 106-88-7 is not listed on Canada's Ingredient Disclosure List.
CAS# 123-91-1 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 71-55-6 is listed on the TSCA inventory.
CAS# 75-52-5 is listed on the TSCA inventory.
CAS# 106-88-7 is listed on the TSCA inventory.
CAS# 123-91-1 is listed on the TSCA inventory.

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

Text for R-phrases from Section 2
MSDS Creation Date: 6/11/1999 Revision #4 Date: 7/07/2004

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.
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