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NIOSH

DI-n-PENTYLAMINE

ICSC: 0537

Dipentylamine
N-pentyl-1-pentanamine
Diamylamine
C10H23N / CH3(CH2)4NH(CH2)4CH3
Molecular mass: 157.3
ICSC # 0537 		CAS # 2050-92-2
RTECS # RZ9100000
UN # 2841
March 25, 1999 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.
Powder, alcohol-resistant foam, water spray, carbon dioxide.
EXPLOSION Above 51°C explosive vapour/air mixtures may be formed.
Above 51°C use a closed system, ventilation, and explosion-proof electrical equipment.
In case of fire: keep drums, etc., cool by spraying with water.
EXPOSURE
PREVENT GENERATION OF MISTS!

•INHALATION Burning sensation. Cough. Headache. Nausea. Shortness of breath. Sore throat. Symptoms may be delayed (see Notes).
Ventilation, local exhaust, or breathing protection.
Fresh air, rest. Half-upright position. Artificial respiration if indicated. Refer for medical attention.
•SKIN Redness. Serious skin burns.
Protective gloves. Protective clothing.
Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer for medical attention.
•EYES Redness. Blurred vision. Severe deep burns.
Face shield.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
•INGESTION Shock or collapse. (Further see Inhalation).
Do not eat, drink, or smoke during work.
Rinse mouth. Do NOT induce vomiting. Give plenty of water to drink. Rest. Refer for medical attention.

SPILLAGE DISPOSAL

STORAGE

PACKAGING & LABELLING

Remove all ignition sources. Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in sand or inert absorbent and remove to safe place. (Extra personal protection: Chemical protection suit including self-contained breathing apparatus.)
Fireproof. Separated from food and feedstuffs. See Chemical Dangers. Cool. Dry. Well closed. Keep in a well-ventilated room.
Do not transport with food and feedstuffs.
UN Hazard Class: 3
UN Subsidiary Risks: 6.1
UN Packing Group: III
ICSC: 0537 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.

DI-n-PENTYLAMINE

ICSC: 0537

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PHYSICAL STATE; APPEARANCE:
COLOURLESS TO LIGHT-YELLOW LIQUID ,WITH PUNGENT ODOUR.

PHYSICAL DANGERS:


CHEMICAL DANGERS:
The substance decomposes on burning producing toxic and corrosive gases including nitrogen oxides. Reacts violently with oxidants, acids, acid chlorides, acid anhydrides and mercury. Attacks plastics, copper, copper alloys, aluminium, zinc, zinc alloys and galvanized surfaces; water solution may attack glass.

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 or its aerosol, through the skin and by ingestion.

INHALATION RISK:
No indication can be given about the rate in which a harmful concentration in the air is reached on evaporation of this substance at 20°C.

EFFECTS OF SHORT-TERM EXPOSURE:
The substance irritates severely the respiratory tract and is corrosive to the skin and to the eyes. Inhalation of vapour/mist may cause lung oedema (see Notes). The substance may cause effects on the central nervous system.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:

PHYSICAL
PROPERTIES

Boiling point: 202-203°C
Melting point: -44°C
Relative density (water = 1): 0.8
Solubility in water, g/100 ml: none
Vapour pressure, Pa at 20°C: 40
Relative vapour density (air = 1): 5.4
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.00
Flash point: 51°C c.c.

ENVIRONMENTAL
DATA


N O T E S

Other melting points: -8°C; -32°C. Explosive limits are unknown in literature, although the substance is combustible and has a flash point < 55°C. Environmental effects from the substance have not been investigated adequately. 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. Insufficient data are available on the effect of this substance on human health, therefore utmost care must be taken.
Transport Emergency Card: TEC (R)-30G35

NFPA Code: H3; F2; R0;

ADDITIONAL INFORMATION



ICSC: 0537 DI-n-PENTYLAMINE
(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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