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

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

Henan Tianfu Chemical Co., Ltd.
China
Product Name: delta-Valerolactone
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

542-28-9

542-28-9 structure

542-28-9 structure

Name: delta-Valerolactone
Chemical Name: 5-valerolactone
CAS Number: 542-28-9
Molecular Formula: C₅H₈O₂
Molecular Weight: 100.116
Catalog: Chemical reagent Organic reagent Ester Lactone compound
Create Date: 2018-07-16 18:14:12
Modify Date: 2026-07-01 16:49:45

Name	5-valerolactone
Synonyms	delta-Valerolactone may contain polymer delta-Valerolactone, R GAMMA-PENTANOLACTONE Tetrahydro-2H-pyran-2-one distil to remove tetrahydro-pyran-2-one δ-Valero-lacton delta-Valerolactone in stock -9 5-valerolactone Tetrahydro-2H-2-pyranon -9 ^d-Valerolactone may contain polymer: distill to remove Pentanoic acid, 5-hydroxy-, delta-lactone delta-Valerolactone, 2-Oxotetrahydro-2H-pyran 5-Valerolactone 1-Oxacyclohexan-2-one VALEROLACTONE, GAMMA Valeric acid, delta-hydroxy-, delta-lactone 5-Hydroxypentanoic acid delta-lactone 2H-pyran-2-one,tetrahydro 4-VALEROLACTONE 5-Hydroxypentanoic acid 1,5-lactone EINECS 203-569-5 Oxan-2-one δ- valerolactone (cyclopentyl lactone) valericacid,δ-hydroxy-,lactone 1,2-pyrone,tetrahydro G-VALEROLACTONE GAMMA-METHYL-GAMMA-BUTYROLACTONE 2-Oxotetrahydropyran delta-Valerolactone, may contain polymer: distil to remove i-pentanolactone 5-hydroxypentanoic acid lactone delta-Valerolactone ade δ-Valerolactone may contain polymer: distill to remove 5-pentanolide delta-pentalactone PENTANO-1,5-LACTONE ^d-Valerolactone May contain polyMer i-valerolactone delta-Valerolactone -9 5-valerolactone Tetrahydro-2H-2-pyranon -9 D-VALEROLACTONE DELTA-VALEROLACTONE d-Valeryllactone distilltoremove VALEROLACTONE, gamma-(SG) 5-Hydroxypentanoic acid lactone~delta-Pentanolactone~Tetrahydropyran-2-one delta-Valerolactone,maycontainpolymer,distiltoremove Tetrahydro-2-pyranone TETRAHYDRO-2H-2-PYRANONE 2-Perhydropyranone delta-Valeryllactone delta-Velolactone 4-PENTANOLIDE 4-HYDROXYVALERIC ACID G-LACTONE δ-Valerolactone TETRAHYDRO-2H-PYRAN-2-ONE MFCD00005400

Density	1.1±0.1 g/cm3
Boiling Point	218.0±8.0 °C at 760 mmHg
Melting Point	-13 °C
Molecular Formula	C₅H₈O₂
Molecular Weight	100.116
Flash Point	100.0±0.0 °C
Exact Mass	100.052429
PSA	26.30000
LogP	-0.20
Vapour density	3.45 (vs air)
Vapour Pressure	0.1±0.4 mmHg at 25°C
Index of Refraction	1.440
Storage condition	2-8°C
Water Solubility	miscible

Symbol	GHS05
Signal Word	Danger
Hazard Statements	H318
Precautionary Statements	P280-P305 + P351 + P338
Personal Protective Equipment	Eyeshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	Xi:Irritant;
Risk Phrases	R41
Safety Phrases	S26-S39
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	LU3580000
HS Code	2932999099

Precursor 10
13392-69-3 142-68-7 120-92-3 110-94-1
111-29-5 3393-45-1 4221-03-8 627-27-0
201230-82-2 7681-84-7
DownStream 10
110862-03-8 3393-45-1 42272-94-6 143217-45-2
14273-88-2 1462-11-9 4783-65-7 4370-23-4
4509-90-4 917-92-0

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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