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PENTAERYTHRITOL

ICSC: 1383

2,2-bis(Hydroxymethyl)-1,3-propanediol
Tetramethylolmethane
THME
PETP
C5H12O14 / C(CH2OH)4
Molecular mass: 136.2
ICSC # 1383		CAS # 115-77-5
RTECS # RZ2490000
November 25, 2009 Validated
GH, nsidered

TYPES OF HAZARD/ EXPOSURE

ACUTE HAZARDS/ SYMPTOMS

PREVENTION

FIRST AID/
FIRE FIGHTING

FIRE Combustible.
NO open flames.
Water , powder , carbon dioxide .
EXPLOSION Finely dispersed particles form explosive mixtures in air.
Prevent deposition of dust; closed system, dust explosion-proof electrical equipment and lighting.
In case of fire: keep drums, etc., cool by spraying with water.
EXPOSURE
PREVENT DISPERSION OF DUST!

•INHALATION
Avoid inhalation of dust. Local exhaust or breathing protection.
Fresh air, rest.
•SKIN
Protective gloves.
Rinse and then wash skin with water and soap.
•EYES Redness.
Safety goggles or eye protection in combination with breathing protection if powder.
Rinse with plenty of water (remove contact lenses if easily possible).
•INGESTION Do not eat, drink, or smoke during work.
Rinse mouth.

SPILLAGE DISPOSAL

STORAGE

PACKAGING & LABELLING

Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting. Remove airborne particles with fine water spray.
Separated from strong oxidants and strong acids.

ICSC: 1383 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.

PENTAERYTHRITOL

ICSC: 1383

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PHYSICAL STATE; APPEARANCE:
COLOURLESS TO WHITE , ODOURLESS CRYSTALLINE POWDER.

PHYSICAL DANGERS:
Dust explosion possible if in powder or granular form, mixed with air. If dry, it can be charged electrostatically by swirling, pneumatic transport, pouring, etc.

CHEMICAL DANGERS:
The substance decomposes on heating producing irritating fumes . Reacts violently with strong oxidants and strong acids causing explosion hazard.

OCCUPATIONAL EXPOSURE LIMITS:
TLV: 10 mg/m⊃3; as TWA (ACGIH 2009).
MAK not established.
ROUTES OF EXPOSURE:


INHALATION RISK:
A nuisance-causing concentration of airborne particles can be reached quickly when dispersed, especially if powdered.

EFFECTS OF SHORT-TERM EXPOSURE:
The substance is mildly irritating to the eyes and the respiratory tract.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:

PHYSICAL
PROPERTIES

Boiling point at 4 kPa: 276°C
Melting point: 260°C
Relative density (water = 1): 1.4
Solubility in water, g/100 ml at 25°C: 2.5
Vapour pressure, Pa at 20°C: 0.013
Relative vapour density (air = 1): 4.7
Flashpoint: 240°C o.c.
Auto-ignition temperature: 390-490°C
Octanol/water partition coefficient as log Pow: -1.69

ENVIRONMENTAL
DATA

N O T E S

ADDITIONAL INFORMATION



ICSC: 1383 PENTAERYTHRITOL
(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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