استالدهید 800004 مرک

Description
Catalogue Number	800004
Synonyms	Ethanal, Acetic Aldehyde, Ethyl Aldehyde

Product Information
CAS number	75-07-0
EC index number	605-003-00-6
EC number	200-836-8
Hill Formula	C₂H₄O
Chemical formula	CH₃CHO
Molar Mass	44.05 g/mol
HS Code	2912 12 00
Structure formula Image

Applications
Application	Acetaldehyde for synthesis. CAS No. 75-07-0, EC Number 200-836-8.

Physicochemical Information
Boiling point	20.4 °C (1013 hPa)
Density	0.78 g/cm3 (20 °C)
Explosion limit	4 - 57 %(V)
Flash point	-20 °C
Ignition temperature	140 °C
Melting Point	-123 °C
pH value	5 (10 g/l, H₂O, 20 °C)
Vapor pressure	1006 hPa (20 °C)

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H224: Extremely flammable liquid and vapour. H319: Causes serious eye irritation. H335: May cause respiratory irritation. H351: Suspected of causing cancer.
Precautionary Statement(s)	P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P240: Ground/bond container and receiving equipment. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P308 + P313: IF exposed or concerned: Get medical advice/ attention. P403 + P233: Store in a well-ventilated place. Keep container tightly closed.
RTECS	AB1925000
Storage class	3 Flammable liquids
WGK	WGK 1 slightly water endangering

Safety Information
Hazard Symbols	Harmful Highly Flammable
Categories of danger	extremely flammable, irritant, carcinogenic
R Phrase	R 12-36/37-40 Extremely flammable.Irritating to eyes and respiratory system.Limited evidence of a carcinogenic effect.
S Phrase	S 16-33-36/37 Keep away from sources of ignition - No smoking.Take precautionary measures against static discharges.Wear suitable protective clothing and gloves.

Storage and Shipping Information
Storage	Store at +2°C to +8°C.

Transport Information
Declaration (railroad and road) ADR, RID	UN 1089 , 3, I
Declaration (transport by air) IATA-DGR	UN 1089 , 3, I
Declaration (transport by sea) IMDG-Code	UN 1089 , 3, I

Specifications
Assay (GC, area%)	≥ 99.0 % (a/a)
Density (d 5°C/ 4°C)	0.798 - 0.801