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NIOSH

n-PROPYL CHLOROFORMATE

ICSC: 1595

Propyl chloroformate
Propyl chlorocarbonate
Formic acid, chloro-, propyl ester
Carbonochloridic acid, propyl ester
C4H7ClO2 / CH3(CH2)2OCOCl
Molecular mass: 122.6
ICSC # 1595 		CAS # 109-61-5
RTECS # LQ6830000
UN # 2740
EC # 607-142-00-8
October 18, 2005 Validated

TYPES OF HAZARD/ EXPOSURE

ACUTE HAZARDS/ SYMPTOMS

PREVENTION

FIRST AID/
FIRE FIGHTING

FIRE Flammable. Gives off irritating or toxic fumes (or gases) in a fire.
NO open flames, NO sparks, and NO smoking.
NO water. Dry powder. Carbon dioxide. Alcohol-resistant foam.
EXPLOSION Above 26°C explosive vapour/air mixtures may be formed.
Above 26°C use a closed system, ventilation, and explosion-proof electrical equipment.
In case of fire: cool drums, etc., by spraying with water but avoid contact of the substance with water.
EXPOSURE
STRICT HYGIENE!
IN ALL CASES CONSULT A DOCTOR!
•INHALATION Sore throat. Burning sensation. Cough. Laboured breathing. Shortness of breath. Symptoms may be delayed (see Notes).
Ventilation, local exhaust, or breathing protection.
Fresh air, rest. Half-upright position. Artificial respiration may be needed. Refer for medical attention.
•SKIN Redness. Pain. Skin burns.
Protective gloves. Protective clothing.
Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer for medical attention.
•EYES Redness. Pain. Severe deep burns.
Face shield or eye protection in combination with breathing protection.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
•INGESTION Abdominal pain. Burning sensation. Shock or collapse.
Do not eat, drink, or smoke during work. Wash hands before eating.
Rinse mouth. Do NOT induce vomiting. Give plenty of water to drink. Refer for medical attention.

SPILLAGE DISPOSAL

STORAGE

PACKAGING & LABELLING

Evacuate danger area! Consult an expert! Personal protection: chemical protection suit including self-contained breathing apparatus. Do NOT let this chemical enter the environment. Collect leaking liquid in sealable dry plastic containers. Absorb remaining liquid in dry sand or inert absorbent and remove to safe place.
Fireproof. Provision to contain effluent from fire extinguishing. Separated from acids, alcohols , amines , bases , oxidants , food and feedstuffs . Dry. Well closed. Store in an area without drain or sewer access.
Do not transport with food and feedstuffs. Unbreakable packaging; put breakable packaging into closed unbreakable container.
T symbol
R: 10-23-34
S: 1/2-26-36-45
UN Hazard Class: 6.1
UN Subsidiary Risks: 3 and 8
UN Packing Group: I
ICSC: 1595 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities (C) IPCS CEC 1994. No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and NIOSH IDLH values.

n-PROPYL CHLOROFORMATE

ICSC: 1595

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PHYSICAL STATE; APPEARANCE:
COLOURLESS LIQUID , WITH PUNGENT ODOUR.

PHYSICAL DANGERS:


CHEMICAL DANGERS:
The substance decomposes on burning producing toxic and corrosive fumes . Reacts with with water or moisture producing hydrogen chloride . Reacts violently with acids , alcohols , amines , bases and oxidants . Attacks metal.

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established.
MAK not established.


ROUTES OF EXPOSURE:
The substance can be absorbed into the body by inhalation of its vapour and by ingestion.

INHALATION RISK:
A harmful contamination of the air will be reached very quickly on evaporation of this substance at 20°C.

EFFECTS OF SHORT-TERM EXPOSURE:
The substance is corrosive to the eyes, the skin and the respiratory tract. Corrosive on ingestion. Inhalation of the vapour may cause lung oedema (see Notes). The effects may be delayed.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:

PHYSICAL
PROPERTIES

Boiling point: 115°C
Melting point: <-70°C
Density: 1.09
g/cm3
Solubility in water:
reaction
Vapour pressure, kPa at 20°C: 2.6
Relative vapour density (air = 1): 4.23
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.06
Flash point: 26°C c.c.
Auto-ignition temperature: 475°C
Octanol/water partition coefficient as log Pow: 1.12

ENVIRONMENTAL
DATA

The substance is toxic to aquatic organisms.

N O T E S

Reacts violently with fire extinguishing agents such as water. The symptoms of lung oedema often do not become manifest until a few hours have passed and they are aggravated by physical effort. Rest and medical observation is therefore essential. Immediate administration of an appropriate inhalation therapy by a doctor or a person authorized by him/her, should be considered.
Transport Emergency Card: TEC (R)-61GTFC-I

NFPA Code: H3; F3; R0;

ADDITIONAL INFORMATION



ICSC: 1595 n-PROPYL CHLOROFORMATE
(C) IPCS, CEC, 1994
IMPORTANT LEGAL NOTICE: Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH, the CEC or the IPCS is responsible for the use which might be made of this information. This card contains the collective views of the IPCS Peer Review Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use. The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
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