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5-valerolactone

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Origin: China

Cas No: 542-28-9

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Quick Details

CAS No.:: 542-28-9

Other Names:: Tetrahydro-2H-2-pyranone

MF:: C5H8O2

EINECS No.:: 542-28-9

Place of Origin:: China

Type:: Agrochemical Intermediates, Flavor & Fragrance Intermediates, Pharmaceutical Intermediates

Purity:: ≥98%

Brand Name:: FinerChem

Model Number:: 542-28-9

Application:: Flavors and fragrances, medicine

Appearance:: Transparent colorless to light yellow liquid

Product name:: delta-Valerolactone

CAS:: 542-28-9

Assay:: 98.0 %min

Molecular Weight:: 100.12

Packaging&Delivery

Packaging Details: 1kg/bottle, 25kg/drum, or as your demand

Port: SHANGHAI, BEIJING, QINGDAO, SHENZHEN, TIANJIN

Lead Time:

Quantity(Kilograms)	1 - 500	>500
Est. Time(days)	4	To be negotiated

Products Description

Product Name	delta-Valerolactone
CAS No.	542-28-9
Appearance	Transparent colorless to light yellow liquid
Assay	≥98%
Capacity	200mt/year
Min.packing	1gram
Application	Flavors and fragrances, medicine
Standard	Export
Brand	Finerchem
More information	Synonyms: Tetrahydro-2H-2-pyranone Molecular Formula: C5H8O2 Molecular Weight: 100.12 CAS Registry Number: 542-28-9 EINECS: 208-807-1 Density: 1.079 Melting point: -13 ºC Boiling point: 230-60 ºC Refractive index: 1.456-1.459 Flash point: 112 ºC Water solubility: miscible

Property

CAS No.: 542-28-9 Formula: C5H8O2 Molecular Weight: 100.11600

Description

δ-Valerolactone is a lactone used as a chemical intermediate in processes such as the production of polyesters.

Basic Info

Chemical Name	5-valerolactone
Synonyms	δ-Valerolactone; delta-Valerolactone; 2H-Pyran-2-one, tetrahydro-;
CAS No.	542-28-9
Molecular Formula	C5H8O2
Molecular Weight	100.11600
PSA	26.30000
LogP	0.71350

Properties

Appearance & Physical State	clear colorless to pale yellow liquid
Density	1.079
Boiling Point	230-60ºC
Melting Point	-13ºC
Flash Point	112ºC
Refractive Index	1.456-1.459
Water Solubility	miscible
Storage Condition	2-8ºC
Vapor Density	3.45 (vs air)

Safety Info

RTECS	LU3580000
Safety Statements	S26-S39
HS Code	2932999099
WGK Germany	3
Risk Statements	R41
Hazard Codes	Xi
Symbol	GHS05
Signal Word	Danger
Hazard Declaration	H318
Caution Statement	P280; P305 + P351 + P338

Synthesis Route

cyclopentanone→5-valerolactone+5-hydroxypentanoic acid
Cyclohexanone→5-valerolactone+hexano-6-lactone
Cyclohexanone→5-valerolactone+hexano-6-lactone

GC Analysis

Column type	Active phase	Temperature (°C)	Retention Index (I)	Temperature Control Method
Capillary	DB-1	-	1010.	temperature ramp
Capillary	DB-5	-	954.	custom temperature program
Capillary	DB-Wax	-	1780.	temperature ramp
Capillary	DB-Wax	-	1784.	temperature ramp
Capillary	DB-Wax	-	1785.	temperature ramp