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Key Documents

Safety Information

8.41085

Sigma-Aldrich

Acetaldoxime

(mixture of cis and trans isomers) for synthesis

Synonym(s):

Acetaldoxime, Acetaldehyde oxim

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About This Item

Empirical Formula (Hill Notation):
C2H5NO
CAS Number:
Molecular Weight:
59.07
MDL number:
UNSPSC Code:
12352126
EC Index Number:
203-479-6
NACRES:
NA.22

vapor pressure

13 hPa ( 25 °C)

Quality Level

form

liquid

autoignition temp.

380 °C

potency

740 mg/kg LD50, oral (Rat)

expl. lim.

4.2-50 % (v/v)

transition temp

flash point 40 °C

solubility

185 g/L

density

0.969 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C2H5NO/c1-2-3-4/h2,4H,1H3/b3-2+

InChI key

FZENGILVLUJGJX-NSCUHMNNSA-N

Analysis Note

Assay isomers (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.963 - 0.967
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Pictograms

FlameSkull and crossbones

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Irrit. 2 - Flam. Liq. 3

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

104.0 °F - open cup

Flash Point(C)

40 °C - open cup


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Flammable liquids
Type 2 petroleums
Hazardous rank III
Water soluble liquid


Certificates of Analysis (COA)

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