mercaptoethanol 60-24-2 MSDS
Name: 2-Mercaptoethanol 99% Material Safety Data Sheet
Synonym: beta-Mercaptoethanol; 2-Hydroxyethyl mercaptan; 2-Hydroxyethanethiol; Thioglycol
CAS: 60-24-2
Section 1 - Chemical Product   MSDS Name:2-Mercaptoethanol 99% Material Safety Data Sheet
Synonym:beta-Mercaptoethanol; 2-Hydroxyethyl mercaptan; 2-Hydroxyethanethiol; Thioglycol

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
60-24-2 2-Mercaptoethanol 99 200-464-6
Hazard Symbols: T
Risk Phrases: 22 24 36

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Harmful if swallowed. Toxic in contact with skin. Irritating to eyes.Moisture sensitive.Toxic.
Potential Health Effects
Eye:
May cause severe eye irritation. May result in corneal injury.
Skin:
May be fatal if absorbed through the skin. May cause irritation with burning pain, itching and redness.
Ingestion:
Harmful if swallowed. May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May cause muscle paralysis, respiratory failure, and possible death.
Inhalation:
Inhalation of high concentrations may cause central nervous system effects characterized by nausea, headache, dizziness, unconsciousness and coma. May cause respiratory tract irritation. May cause dyspnea (difficult or labored breathing). Exposure to high concentrations of mercaptans can produce unconsciousness with cyanosis (bluish discoloration of skin due to deficient oxygenation of the blood), cold extremities and rapid pulse. Mercaptans may cause nausea and headache.
Chronic:
Prolonged or repeated skin contact may cause defatting and dermatitis. Repeated or prolonged exposure may cause CNS stimulation.

Section 4 - FIRST AID MEASURES
  Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Skin:
Get medical aid immediately. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
Ingestion:
Do not induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. Do NOT use mouth-to-mouth resuscitation.
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. Vapors may form an explosive mixture with air.
Combustion generates toxic fumes. Use water spray to keep fire-exposed containers cool. Containers may explode in the heat of a fire. Combustible liquid. Vapors may be heavier than air. They can spread along the ground and collect in low or confined areas.
Extinguishing Media:
Do NOT get water inside containers. For small fires, use dry chemical, carbon dioxide, or water spray. For large fires, use dry chemical, carbon dioxide, alcohol-resistant foam, or water spray.
Cool containers with flooding quantities of water until well after fire is out.

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. Avoid runoff into storm sewers and ditches which lead to waterways. Clean up spills immediately, observing precautions in the Protective Equipment section. Scoop up with a nonsparking tool, then place into a suitable container for disposal. Remove all sources of ignition. Provide ventilation.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use only in a well-ventilated area. Do not get in eyes, on skin, or on clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Keep container tightly closed. Keep away from heat, sparks and flame. Do not ingest or inhale. Do not allow contact with water. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames.
Storage:
Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

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.
Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Liquid
Color: clear, colorless
Odor: strong odor - rotten egg-like
pH: 5.2 (0.1M sol)
Vapor Pressure: 1 mm Hg @ 20 deg C
Viscosity: 343 cP
Boiling Point: 315 deg F
Freezing/Melting Point: -148 deg F
Autoignition Temperature: 563 deg F ( 295.00 deg C)
Flash Point: 73 deg C ( 163.40 deg F)
Explosion Limits, lower: 1.1
Explosion Limits, upper: 2.7
Decomposition Temperature: 315 deg F
Solubility in water: Soluble in water.
Specific Gravity/Density: 1.14 (water=1)
Molecular Formula: C2H6OS
Molecular Weight: 78.13

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
High temperatures, ignition sources, excess heat.
Incompatibilities with Other Materials:
Strong oxidizers, calcium hypochlorite, metals, strong acids, caustics, aliphatic amines, isocyanates.
Hazardous Decomposition Products:
Carbon monoxide, oxides of sulfur, irritating and toxic fumes and gases, carbon dioxide.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 60-24-2: KL5600000 LD50/LC50:
CAS# 60-24-2: Dermal, guinea pig: LD50 = 300 uL/kg; Draize test, rabbit, eye: 2 mg Severe; Inhalation, mouse: LC50 = 13200 mg/m3; Oral, mouse: LD50 = 190 mg/kg; Oral, rat: LD50 = 244 mg/kg; Skin, rabbit: LD50 = 150 uL/kg.
Carcinogenicity:
2-Mercaptoethanol - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
  Other No information available.

Section 13 - DISPOSAL CONSIDERATIONS
  Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION
 
IATA
Shipping Name: THIOGLYCOL
Hazard Class: 6.1
UN Number: 2966
Packing Group: II
IMO
Shipping Name: THIOGLYCOL
Hazard Class: 6.1
UN Number: 2966
Packing Group: II
RID/ADR
Shipping Name: THIOGLYCOL
Hazard Class: 6.1
UN Number: 2966
Packing group: II

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T
Risk Phrases:
R 22 Harmful if swallowed.
R 24 Toxic in contact with skin.
R 36 Irritating to eyes.
Safety Phrases:
S 24/25 Avoid contact with skin and eyes.
S 36/37/39 Wear suitable protective clothing, gloves
and eye/face protection.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 60-24-2: 3
United Kingdom Occupational Exposure Limits
United Kingdom Maximum Exposure Limits
Canada
CAS# 60-24-2 is listed on Canada's DSL List.
CAS# 60-24-2 is listed on Canada's Ingredient Disclosure List.
Exposure Limits
CAS# 60-24-2: OEL-RUSSIA:STEL 1 mg/m3
US FEDERAL
TSCA
CAS# 60-24-2 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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