2-Pentenoic acid

Modify Date: 2025-08-25 14:02:32

2-Pentenoic acid structure	Common Name	2-Pentenoic acid
	CAS Number	626-98-2	Molecular Weight	100.11600
	Density	0.99 g/mL at 25ºC(lit.)	Boiling Point	106ºC20 mm Hg(lit.)
	Molecular Formula	C₅H₈O₂	Melting Point	9-11ºC(lit.)
	MSDS	N/A	Flash Point	97.7ºC

Name	pent-2-enoic acid
Synonym	More Synonyms

Density	0.99 g/mL at 25ºC(lit.)
Boiling Point	106ºC20 mm Hg(lit.)
Melting Point	9-11ºC(lit.)
Molecular Formula	C₅H₈O₂
Molecular Weight	100.11600
Flash Point	97.7ºC
Exact Mass	100.05200
PSA	37.30000
LogP	1.03720
Index of Refraction	n20/D 1.452(lit.)
InChIKey	YIYBQIKDCADOSF-UHFFFAOYSA-N
SMILES	CCC=CC(=O)O

CHEMICAL IDENTIFICATION

RTECS NUMBER :: SB2750000

CHEMICAL NAME :: 2-Pentenoic acid

CAS REGISTRY NUMBER :: 626-98-2

LAST UPDATED :: 199012

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C5-H8-O2

MOLECULAR WEIGHT :: 100.13

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1580 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: JPPMAB Journal of Pharmacy and Pharmacology. (Pharmaceutical Soc. of Great Britain, 1 Lambeth High St., London SEI 7JN, UK) V.1- 1949- Volume(issue)/page/year: 21,85,1969

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1580 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: JPPMAB Journal of Pharmacy and Pharmacology. (Pharmaceutical Soc. of Great Britain, 1 Lambeth High St., London SEI 7JN, UK) V.1- 1949- Volume(issue)/page/year: 21,85,1969

Risk Phrases	22-34
Safety Phrases	26-36/37/39-45
RIDADR	UN 3265 8/PG 3
Packaging Group	III

Precursor 10
CAS#:201230-82-2 carbon monoxide CAS#:106-99-0 butadiene CAS#:590-19-2 1,2-butadiene CAS#:108-29-2 γ-Valerolactone
CAS#:106-98-9 1-Butene CAS#:590-18-1 cis-2-butene CAS#:624-64-6 2-butene CAS#:115-11-7 Isobutylene
CAS#:64-19-7 acetic acid CAS#:141-82-2 Malonic acid
DownStream 10
CAS#:31844-98-1 1-BROMOBUT-1-ENE CAS#:18802-94-3 pent-2-enoyl ch... CAS#:80-59-1 Tiglic acid CAS#:78-93-3 2-Butanone
CAS#:108-29-2 γ-Valerolactone CAS#:1576-96-1 (E)-2-penten-1-ol CAS#:124-04-9 Adipic acid CAS#:42835-88-1 2-Ethyl-1,2,3,4...
CAS#:50884-95-2 Pentanoic acid,... CAS#:51637-47-9 3-chloropentano...

3-Penten-1-ol,(3E)

2-penten-5-ol

(3E)-pent-3-en-1-ol

2-Pentenoic acid

(3E)-3-Penten-1-ol

(E)-pent-3-en-1-ol

pent-3-enol

pentenoic acid

Pent-2-ensaeure

TRANS-3-PENTEN-1-OL

(E)-3-Penten-1-ol

trans-3-Pentenol-1

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-Pentenoic acid
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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