PARALDEHYDE

UN Number: 1264 - CAS Number: 123-63-7

Also known as: p-ACETALDEHYDE
Information on chemical

Information on chemical

External resources

CAMEO Chemical Database
WISER Substance List

Description

UN number 1264
CAS number 123-63-7

Physical chemical data

Physical State (20°C) Liquid
Density (kg/m3)
990 [Kg/m³] at a temperature of 20°C
Molar mass (g/mol) 132.16
Density of gas (kg/m3) 5.93
Boiling Point (°C) 124
Melting Point (°C) 12
Vapour Pressure (Pa)
3330 [Pa] at a temperature of 20°C
Ignition Temperature (°C) 235
Flash Point (°C) 17
Lower explosivity limit (LEL) (volume %) 1.3

Behaviour at sea

Additional data

Colour colourless
Odour aromatic

Transportation data

Transport mode Bulk,Packaged
Package group III
Cargo group 19
State liquid
Temperature (°C) ambient
Family name aldehydes
IMO class 3.3

Reactivity data

Water No
Acid(s) Yes
Base(s) Yes
Oxidizing agents Yes
Organic substance Yes

GESAMP Hazard profile

Bioaccumulation in logPow (A1A) 0 - e <1, or > ca.7, or Mol. Wt. > 1000
Bioaccumulation in BCF (A1B) 0 - No measurable BCF
Bioaccumulation (A1) 0 - No potential to bioaccumulate
Biodegradation (A2) NR - Not readily biodegradable
Acute aquatic toxicity (B1) (LC/EC/IC50 (mg/l)) 0 - Non-toxic
Acute mammalian toxicity by swallowing (C1) (LD50 (mg/kg)) 1 - Slight
Acute mammalian toxicity by skin penetration (C2) (LD50 (mg/kg)) 0 - Negligible
Acute mammalian toxicity by inhalation (C3) (LC50 (mg/l)) 0 - Negligible
Skin irritation/corrosivity (D1) 1 - Mildly irritating
Eye irritation/corrosivity (D2) 3 - Severely irritating, with irreversible corneal injury
Interference with coastal amenities (E2) D - Dissolver
Effects on wildlife and bottom habitats (E3) 3 - Is highly acutely toxic; and/or is severely irritant or corrosive to skin or eyes; and/or is carcinogenic, mutagenic or reprotoxic; and/or is a floater or persistent floater with associated health effects

Human toxicity threshold

TEEL-1 (mg/m3) 30
TEEL-2 (mg/m3) 50
TEEL-3 (mg/m3) 500

Ecotoxicity

Incident reports

Incident reports

No incident reports available

Emergency Response Guidebook

Emergency Response Guidebook

Guide number: 129

See the guide or download the emergency response guidebook

At sea emergency guide

At sea emergency guide

No guides available

Decision trees

Decision trees

No decision trees available

No additional data

last modified 2020-12-14T09:02:49+00:00