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295493

Sigma-Aldrich

Propyne

≥99%

Synonym(s):

Allylene, Methylacetylene

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About This Item

Linear Formula:
CH3C≡CH
CAS Number:
74-99-7
Molecular Weight:
40.06
EC Number:
200-828-4
MDL number:
MFCD00036235
UNSPSC Code:
12162002
PubChem Substance ID:
24857789
NACRES:
NA.23

vapor pressure

204.6 mmHg ( −49.5 °C)

Quality Level

100

Assay

≥99%

bp

−23.2 °C (lit.)

mp

−102.7 °C (lit.)

SMILES string

CC#C

InChI

1S/C3H4/c1-3-2/h1H,2H3

InChI key

MWWATHDPGQKSAR-UHFFFAOYSA-N

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Signal Word

Danger

Hazard Statements

H220,H280,H335

Hazard Classifications

Flam. Gas 1A - Press. Gas Compr. Gas - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

2A - Gases

WGK

nwg

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
SHBN5147
SHBK0549
SHBH3639V
SHBG2723V
SHBC6760V

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