penta-1,2-diene

Modify Date: 2026-08-19 18:02:28

penta-1,2-diene Structure
penta-1,2-diene structure
Common Name penta-1,2-diene
CAS Number 591-95-7 Molecular Weight 68.11700
Density 0.7 Boiling Point 45ºC
Molecular Formula C5H8 Melting Point -137.26°C
MSDS N/A Flash Point N/A

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 1,2-Pentadiene
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 0.7
Boiling Point 45ºC
Melting Point -137.26°C
Molecular Formula C5H8
Molecular Weight 68.11700
Exact Mass 68.06260
LogP 1.73750
Index of Refraction 1.4170 to 1.4210
InChIKey LVMTVPFRTKXRPH-UHFFFAOYSA-N
SMILES C=C=CCC

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

RIDADR UN 3295 3/PG II
Packaging Group II

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

EINECS 209-737-4
penta-1,2-diene

 penta-1,2-diene | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the molecular formula of 1,2-Pentadiene?
A: Molecular formula of 1,2-Pentadiene is C5H8.
Q: What is the boiling point of 1,2-Pentadiene?
A: Boiling point of 1,2-Pentadiene is 45ºC.
Q: What is the English name of 1,2-Pentadiene?
A: The English name of 1,2-Pentadiene is 1,2-Pentadiene.
Q: What is the melting point of 1,2-Pentadiene?
A: Melting point of 1,2-Pentadiene is -137.26°C.
Q: What is the molecular weight of 1,2-Pentadiene?
A: Molecular weight of 1,2-Pentadiene is 68.11700.
Q: What English synonyms does 1,2-Pentadiene have?
A: English synonyms of 1,2-Pentadiene: EINECS 209-737-4, penta-1,2-diene.
Q: What is the CAS number of 1,2-Pentadiene?
A: CAS number of 1,2-Pentadiene is 591-95-7.
Q: What is the SMILES notation of 1,2-Pentadiene?
A: SMILES notation of 1,2-Pentadiene is C=C=CCC.
Q: What are the upstream materials of 1,2-Pentadiene?
A: Related upstream materials(CAS) of 1,2-Pentadiene: 627-19-0;14035-68-8;4187-86-4;64-67-5;463-49-0;616-25-1;4219-24-3;20599-27-3.
Q: What is the InChIKey of 1,2-Pentadiene?
A: InChIKey of 1,2-Pentadiene is LVMTVPFRTKXRPH-UHFFFAOYSA-N.

 penta-1,2-dienefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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