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: 3-Hydroxybutano-4-lactone
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

3307-37-7

3307-37-7 structure

3307-37-7 structure

Name: 3-Hydroxybutano-4-lactone
Chemical Name: 3,4-db
CAS Number: 3307-37-7
Molecular Formula: C₁₀H₁₀Cl₂O₃
Molecular Weight: 249.09100
Create Date: 2016-07-25 23:38:56
Modify Date: 2025-09-18 08:42:50

Name	3,4-db
Synonyms	4-(3,4-dichlorophenoxy)butanoic acid 4-(3,4-dichlorophenoxy)butyric acid

Density	1.372g/cm3
Boiling Point	415.6ºC at 760mmHg
Molecular Formula	C₁₀H₁₀Cl₂O₃
Molecular Weight	249.09100
Exact Mass	248.00100
PSA	46.53000
LogP	3.23700
Index of Refraction	1.554

HS Code	2918990090

91495-17-9 structure

91495-17-9

~91%

3307-37-7 structure

3307-37-7

Literature: Lagu, Bharat; Wachter, Michael Patent: US2006/293379 A1, 2006 ; Location in patent: Page/Page column 85 ; US 20060293379 A1

96-48-0 structure

96-48-0

39975-26-3 structure

39975-26-3

~%

3307-37-7 structure

3307-37-7

Literature: May and Baker Ltd. Patent: US2866816 , 1956 ;

Precursor 3
91495-17-9 96-48-0 39975-26-3
DownStream 2
64490-14-8 127879-26-9

HS Code	2918990090
Summary	2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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