Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-Bromo-4-butanolide
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Purity: 98.0%
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Henan Tianfu Chemical Co., Ltd.
China
Product Name: 2-Bromo-4-butanolide
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
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5061-21-2

5061-21-2 structure

5061-21-2 structure

Name: 3-Bromdihydrofuran-2(3H)-on
Chemical Name: α-Bromo-γ-butyrolactone
CAS Number: 5061-21-2
Molecular Formula: C₄H₅BrO₂
Molecular Weight: 164.985
Catalog: Chemical reagent Organic reagent Ester Lactone compound
Create Date: 2018-03-22 08:00:00
Modify Date: 2026-06-30 18:27:56

Name	α-Bromo-γ-butyrolactone
Synonyms	3-Bromotetrahydrofuran-2-one 2-Bromobutyrolactone Alpha-Bromo-Gamma-Butyrolactone à-bromo 2-Bromo-γ-butyrolactone A-BROMO-GAMMA-BUTYROLACTONE ^a-Bromo-^y-butyrolactone alpha-Bromo-gama-butyrolactone 2-bromo-4-butanolide \|á-Bromo-\|-butyrolactone 2-BROMO-GAMMA-BUTYROLACTONE 2-Bromo-4-hydroxybutyric acid g-lactone ALPHA-BROMO-GAMMA-BUTYROLACETONE 3-Bromodihydrofuran-2(3H)-one Alpha-Bromo-Gama-Butyrolatone 3-Bromodihydro-2-furanone alpha-Bromobutyric acid, gamma-lactone 2-BROMO-Y-BUTYROLACTONE A-BROMO-R-BUTYROLATONE MFCD00005387 3-Bromo-2-furanone A-BROMO-BUTYROLACTONE 2(3H)-Furanone, 3-bromodihydro alpha-Bromobutyrolactone 2-Bromo-4-butanolide 3-Bromo-4,5-dihydro-2(3H)-furanone α-Bromo-γ-butyrolatone A-BROMO-γ-BUTYROLATONE BROMO(ALPHA-)-GAMMA-BUTYROLACTONE 3-bromodihydro-2(3h)-furanon 2-Bromo-4-butyrolactone 2-Bromo-4-butanolide in stock Factory alpha-Bromo-gamma-butyrolactone, ca α-Bromo-γ-butyrolactone,2-Bromo-4-hydroxybutyric acid γ-lactone 2-Bromo-4-hydroxybutyric acid α-Bromo-γ-butyroL α-Bromo-γ-butanolide α-BroMo-γ-butyrolactone 2-BROMO-4-HYDROXYBUTYRIC ACID LACTONE 3-bromodihydrofuran-2(3H)-one α-Bromo-γ-butyrolactone> EINECS 225-764-4 alpha-Bromo-gamma-butyrolactone, remainder gamma-butyrolactone 2-Bromo-c-butyrolactone 2-broMo-4-hydroxybutan-1-ide alpha-Bromo-gamma-butyrolactone Alpha-BroMo-GaMMa-ButyrolaCLone ɑ-Bromo-γ-butyrolactone 2-BROMO-4-HYDROXYBUTYRIC ACID GAMMA-LACTONE A-BROMO-G-BUTYROLACTONE __bromo-r-butyrolactone 3-Bromodihydro-2(3H)-furanone Bromo-butyrolactone 3-Bromo-dihydro-furan-2-one

Density	1.8±0.1 g/cm3
Boiling Point	287.9±0.0 °C at 760 mmHg
Molecular Formula	C₄H₅BrO₂
Molecular Weight	164.985
Flash Point	111.5±25.4 °C
Exact Mass	163.947281
PSA	26.30000
LogP	-0.47
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.529
Storage condition	2-8°C

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-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	R36/37/38
Safety Phrases	S26-S36
RIDADR	UN 2810
WGK Germany	3
Hazard Class	6.1
HS Code	29322980

96-48-0 structure

96-48-0

~72%

5061-21-2 structure

5061-21-2

Literature: Journal of Porphyrins and Phthalocyanines, , vol. 14, # 1 p. 89 - 100

52412-07-4 structure

52412-07-4

~%

5061-21-2 structure

5061-21-2

Literature: Archiv der Pharmazie (Weinheim, Germany), , vol. 315, # 3 p. 241 - 249

Precursor 2
96-48-0 52412-07-4
DownStream 10
10491-63-1 96-48-0 191096-51-2 547-65-9
42023-17-6 497-23-4 2907-85-9 83-40-9
6305-38-0 72492-12-7

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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