Substance

ID:354534

Names and Identifiers
IUPAC name
pent-1-yne
IUPAC Traditional name
1-pentyne
Synonyms
1-戊炔1-Pentyne
Registration numbers
CAS Number
627-19-0
MDL Number
MFCD00009469
Beilstein Number
1697133
PubChem SID
24887111
EC Number
210-987-1
Properties
Physical Property
Refractive Index
n20/D 1.385
n20/D 1.385(lit.)
Flash Point
-4 °F
-20 °C
Melting Point
-106--105 °C(lit.)
Vapor Pressure
6.8 psi ( 20 °C)
Boiling Point
40 °C(lit.)
Density
0.691 g/mL at 25 °C(lit.)
Safety Information
European Hazard Symbols
Flammable Flammable (F)
Harmful Harmful (Xn)
Risk Statements
11-36/37/38-65
German water hazard class
3
GHS Precautionary statements
P210-P261-P301+P310-P305+P351+P338-P331
Safety Statements
16-26-36-62
GHS Pictograms
GHS02
Flammable gases, category 1
Flammable aerosols, categories 1,2
Flammable liquids, categories 1,2,3
Self-reactive substances and mixtures, Types B,C,D,E,F
Pyrophoric liquids, category 1
Pyrophoric solids, category 1
Self-heating substances and mixtures
Substances and mixtures, which in contact with water, emit flammable gases, categories 1,2,3
Organic peroxides, Types B,C,D,E,F
GHS07
Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, category 2
Eye irritation, category 2
Skin sensitisation, category 1
Specific Target Organ Toxicity – Single exposure, category 3
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
Packing Group
2
Storage Temperature
2-8°C
Hazard Class
3
GHS Signal Word
Danger
MSDS Link
Download link
Personal Protective Equipment
Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US)
GHS Hazard statements
H225-H304-H315-H319-H335
RID/ADR
UN 3295 3/PG 2
UN Number
3295
Product Information
Purity
≥98.5% (GC)
Grade
purum
Linear Formula
CH3CH2CH2C≡CH
Molecule Details
No Data Available
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Molecular Spectra
No Data Available
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References
No Data Available
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