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: 6,8-DIBROMO-3-BUTYRYL-2H-CHROMEN-2-ONE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

3855-85-4

3855-85-4 structure

3855-85-4 structure

Name: 6,8-DIBROMO-3-BUTYRYL-2H-CHROMEN-2-ONE
Chemical Name: 6,8-dibromo-3-butanoylchromen-2-one
CAS Number: 3855-85-4
Molecular Formula: C₁₃H₁₀Br₂O₃
Molecular Weight: 374.02500
Create Date: 2016-03-18 21:16:44
Modify Date: 2025-08-20 06:23:18

Name	6,8-dibromo-3-butanoylchromen-2-one
Synonyms	HMS545J21 6,8-Dibrom-coumaryl-3-propylketon 6,8-Dibrom-3-butyryl-cumarin 6,8-dibromo-3-butyryl-coumarin 6,8-dibromo-3-butyryl-2H-chromen-2-one

Density	1.766g/cm3
Boiling Point	494.6ºC at 760mmHg
Melting Point	200ºC
Molecular Formula	C₁₃H₁₀Br₂O₃
Molecular Weight	374.02500
Flash Point	252.9ºC
Exact Mass	371.90000
PSA	47.28000
LogP	4.30080
Index of Refraction	1.612

HS Code	2932209090

90-59-5 structure

90-59-5

3249-68-1 structure

3249-68-1

~%

3855-85-4 structure

3855-85-4

Literature: Buu-Hoi et al. Bulletin de la Societe Chimique de France, 1957 , p. 561

Precursor 2
90-59-5 3249-68-1
DownStream 0

HS Code	2932209090
Summary	2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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