27990
Crotonaldehyde, mixture of cis and trans
purum, ratio of cis- and trans-isomers (~1:20), ≥98.0% (GC)
Synonym(s):
2-Butenal, mixture of cis and trans
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About This Item
Linear Formula:
CH3CH=CHCHO
CAS Number:
Molecular Weight:
70.09
UNSPSC Code:
12352100
PubChem Substance ID:
EC Number:
224-030-0
Beilstein/REAXYS Number:
1209254
MDL number:
grade
purum
assay
≥98.0% (GC)
refractive index
n20/D 1.437
bp
101-102 °C (lit.)
density
0.853 g/mL at 20 °C (lit.)
storage temp.
2-8°C
SMILES string
C[N+](C)(C)C.C[N+](C)(C)C.[O-]S([O-])(=O)=O, C\C=C\C=O
InChI
1S/C4H6O/c1-2-3-4-5/h2-4H,1H3/b3-2+
InChI key
MLUCVPSAIODCQM-NSCUHMNNSA-N
signalword
Danger
Hazard Classifications
Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Aquatic Acute 1 - Eye Dam. 1 - Flam. Liq. 2 - Muta. 2 - Skin Irrit. 2 - STOT RE 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
3 - Flammable liquids
wgk
WGK 3
flash_point_f
55.4 °F - closed cup
flash_point_c
13 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Regulatory Information
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