Substance

ID:717118

Names and Identifiers
IUPAC name
but-2-yne-1,4-diol
IUPAC Traditional name
butynediol
Synonyms
1,4-Dihydroxy-2-butyne2-丁炔-1,4-二醇2-Butyne-1,4-diol
Registration numbers
CAS Number
Beilstein Number
EC Number
MDL Number
Properties
Product Information
Purity
98+%
Physical Property
Boiling Point
194°C/100mm
Melting Point
54-58°C
Flash Point
152°C(305°F)
Safety Information
GHS Hazard statements
H301-H331-H312-H317-H314-H373
European Hazard Symbols
Toxic Toxic (T)
Risk Statements
21-23/25-34-43-48/22
TSCA Listed
Safety Statements
25-26-36/37/39-45-46
RTECS
ES0525000
GHS Precautionary statements
P260-P301+P310-P303+P361+P353-P305+P351+P338-P405-P501A
Hazard Class
6.1
GHS Pictograms
GHS06
Acute toxicity (oral, dermal, inhalation), categories 1,2,3
GHS05
Corrosive to metals, category 1
Skin corrosion, categories 1A,1B,1C
Serious eye damage, category 1
GHS08
Respiratory sensitization, category 1
Germ cell mutagenicity, categories 1A,1B,2
Carcinogenicity, categories 1A,1B,2
Reproductive toxicity, categories 1A,1B,2
Specific Target Organ Toxicity – Single exposure, categories 1,2
Specific Target Organ Toxicity – Repeated exposure, categories 1,2
Aspiration Hazard, category 1
UN Number
UN2716
Packing Group
III
Molecule Details
No Data Available
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Molecular Spectra
No Data Available
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References
• Undergoes an interesting trans-addition reaction with Grignard reagents: Chem. Lett., 765 (1984):