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tert-Butyl isothiocyanate
CAS No.: 590-42-1
Synonyms:
Formula: C5H9NS
Exact Mass: 115.04600
Molecular Weight: 115.19700
PSA: 44.45000
LogP: 1.88770
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tert-Butyl isothiocyanate 590-42-1 MSDS
Name: tert-Butyl isothiocyanate 99% (gc) Material Safety Data Sheet
Synonym: None
CAS: 590-42-1
Section 1 - Chemical Product   MSDS Name:tert-Butyl isothiocyanate 99% (gc) Material Safety Data Sheet
Synonym:None

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
590-42-1 tert-Butyl isothiocyanate 99.0 209-682-6
Hazard Symbols: T
Risk Phrases: 10 23/24/25

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Flammable. Toxic by inhalation, in contact with skin and if swallowed.Toxic.Lachrymator (substance which increases the flow of tears).Moisture sensitive.
Potential Health Effects
Eye:
Causes severe eye irritation. Lachrymator (substance which increases the flow of tears).
Skin:
Causes severe skin irritation. Harmful if absorbed through the skin.
Ingestion:
Harmful if swallowed. Causes severe digestive tract burns with abdominal pain, vomiting, and possible death.
Inhalation:
Harmful if inhaled. Causes severe respiratory tract irritation.
Inhalation of high concentrations may cause pulmonary edema.
Chronic:
Prolonged or repeated exposure may cause nausea, dizziness, and headache. Repeated contact may result in skin burns. Prolonged contact may cause severe eye irritation or burns. Prolonged or repeated exposure may cause lung irritation, chest pain, and pulmonary edema.

Section 4 - FIRST AID MEASURES
  Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. Do NOT allow victim to rub eyes or keep eyes closed.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Remove contaminated clothing and shoes.
Ingestion:
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:
Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
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. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Vapors may be heavier than air. They can spread along the ground and collect in low or confined areas.
Extinguishing Media:
Use agent most appropriate to extinguish fire. Do NOT get water inside containers.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Clean up spills immediately, observing precautions in the Protective Equipment section. Provide ventilation. Do not get water inside containers.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. Do not allow contact with water. Keep from contact with moist air and steam.
Storage:
Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances.
Flammables-area. Store protected from moisture.

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 explosion-proof ventilation to keep airborne levels to acceptable levels.
Exposure Limits CAS# 590-42-1: 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: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 10 deg C
Autoignition Temperature: Not available.
Flash Point: 38 deg C ( 100.40 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density: .9550g/cm3
Molecular Formula: C5H9NS
Molecular Weight: 115.20

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, moisture, strong oxidants.
Incompatibilities with Other Materials:
Strong oxidizing agents, acids, strong bases, alcohols, amines, heat, moisture.
Hazardous Decomposition Products:
Nitrogen oxides, oxides of sulfur, irritating and toxic fumes and gases.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 590-42-1 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
tert-Butyl isothiocyanate - Not listed by ACGIH, IARC, or NTP.

Section 12 - ECOLOGICAL INFORMATION
 

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

Section 14 - TRANSPORT INFORMATION
 
IATA
Shipping Name: ISOCYANATES, TOXIC, FLAMMABLE, N.O.S.*
Hazard Class: 6.1 (3)
UN Number: 3080
Packing Group: II
IMO
Shipping Name: ISOCYANATES, TOXIC, FLAMMABLE, N.O.S.
Hazard Class: 6.1 (3)
UN Number: 3080
Packing Group: II
RID/ADR
Shipping Name: ISOCYANATES, TOXIC, FLAMMABLE, N.O.S.
Hazard Class: 6.1
UN Number: 3080
Packing group: II

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T
Risk Phrases:
R 10 Flammable.
R 23/24/25 Toxic by inhalation, in contact with skin
and if swallowed.
Safety Phrases:
S 16 Keep away from sources of ignition - No
smoking.
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# 590-42-1: No information available.
Canada
CAS# 590-42-1 is listed on Canada's NDSL List.
CAS# 590-42-1 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 590-42-1 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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