2-Methyl-2,4-pentanediol
2,4-Dihydroxy-2-methylpentane
C6H14O2 / (CH3)2COHCH2CHOHCH3
Molecular mass: 118.2
ICSC # 0660
CAS # 107-41-5
RTECS # SA0810000
EC # 603-053-00-3
|
|
Types of Hazard/ Exposure
|
Acute Hazards/ Symptoms
|
Prevention
|
First Aid/
Fire Fighting
|
|
FIRE
|
Combustible.
|
NO open flames.
|
Powder, alcohol-resistant foam, water spray, carbon dioxide.
|
|
Explosion
|
Above 96°C explosive vapour/air mixtures may be formed.
|
Above 96°C use a closed system, ventilation, and explosion-proof electrical equipment.
|
In case of fire: keep drums, etc., cool by spraying with water.
|
|
|
|
Exposure
|
|
|
|
|
•Inhalation
|
Sore throat.
Cough.
|
Ventilation, local exhaust, or breathing protection.
|
Fresh air, rest.
|
|
•Skin
|
Dry skin.
Redness.
|
Protective gloves.
|
Remove contaminated clothes.
Rinse skin with plenty of water or shower.
|
|
•Eyes
|
Redness.
Pain.
|
Safety goggles.
|
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
|
|
•Ingestion
|
|
Do not eat, drink, or smoke during work.
|
Rinse mouth.
Give one or two glasses of water to drink.
Refer for medical attention.
|
|
Spillage Disposal
|
Storage
|
Packaging & Labelling
|
Ventilation.
Collect leaking liquid in covered containers.
Wash away spilled liquid with plenty of water.
(Extra personal protection: filter respirator for organic gases and vapours.)
|
Separated from
strong oxidants,
strong acids.
|
Xi symbol
R: 36/38
S: (2)
|
|
|
|
Important Data
|
Physical State; Appearance:
COLOURLESS LIQUID
, WITH CHARACTERISTIC ODOUR.
Physical Dangers:
Chemical Dangers:
Reacts with strong oxidants
and
strong acids
.
Occupational Exposure Limits:
TLV: 25 ppm, 121 mg/m3 (Ceiling value); (ACGIH 2003).
MAK: 10 ppm, 49 mg/m3
Peak limitation category: I(2); Pregnancy risk group: D;
(DFG 2006).
OSHA PEL: none
NIOSH REL: C 25 ppm (125 mg/m3)
NIOSH IDLH: N.D. See: IDLH INDEX
|
Routes of Exposure:
The substance can be absorbed into the body
by inhalation of its aerosol.
Inhalation Risk:
A harmful contamination of the air will not or will only very slowly be reached on evaporation of this substance at 20°C.
Effects of Short-Term Exposure:
The substance
is irritating to
the eyes
,
the skin
and
the respiratory tract
.
Effects of Long-Term or Repeated Exposure:
Repeated or prolonged contact with skin may cause dermatitis.
|
|
Physical
Properties
|
Boiling point: 198°C
Melting point: -50°C
Relative density (water = 1): 0.92
Solubility in water:
miscible
Vapour pressure, Pa at 20°C: 6.7
Relative vapour density (air = 1): 4.1
|
Relative density of the vapour/air-mixture at 20°C (air = 1): 1
Flash point:
96°C o.c.
Auto-ignition temperature: 306°C
Explosive limits, vol% in air: 1.2-8.1
Octanol/water partition coefficient as log Pow: 0.58
|
|
Environmental
Data
|
|
|
N O T E S
|
The occupational exposure limit value should not be exceeded during any part of the working exposure.
Diolane and Pinakon are trade names.
NFPA Code: H2; F1; R0
Card has been partially updated in August 2007: see Ingestion First Aid, Occupational Exposure Limits.
|
|
|
ADDITIONAL INFORMATION
|
|
|
|
ICSC: 0660
|
HEXYLENE GLYCOL
|
|
(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.
|
|
|