DC Chemicals Limited
China
Product Name: Vat Blue 2
Price: $Inquiry/100mg $Inquiry/250mg $Inquiry/1g
Purity: 98.0%
Stocking Period: 3 Day
Contact: Tony Cao

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 5-bromo-2-(5-bromo-4-chloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-4-chloro-1,2-dihydro-3H-indol-3-one
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Purity: 98.0%
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Henan Tianfu Chemical Co., Ltd.
China
Product Name: 5-bromo-2-(5-bromo-4-chloro-3-oxo-1H-indol-2-ylidene)-4-chloro-1H-indol-3-one
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson

29245-44-1

29245-44-1 structure

29245-44-1 structure

Name: Vat Blue 2
Chemical Name: 5-bromo-2-(5-bromo-4-chloro-3-oxo-1H-indol-2-ylidene)-4-chloro-1H-indol-3-one
CAS Number: 29245-44-1
Molecular Formula: C₁₆H₆Br₂Cl₂N₂O₂
Molecular Weight: 488.94500
Catalog: Research Areas Others
Create Date: 2018-06-13 12:23:09
Modify Date: 2024-01-09 18:48:28
Vat Blue 2, a indigo (HY-N0335) derivative, is a dark blue 5,5'-dibromo-4,4'-dichloroindigo dye[1].

Name	5-bromo-2-(5-bromo-4-chloro-3-oxo-1H-indol-2-ylidene)-4-chloro-1H-indol-3-one
Synonyms	5,5'-Dibromo-4,4'-dichloroindigo C.I.Vat Blue 2 5,5'-Dibrom-4,4'-dichlor-indigo 4,4'-Dichloro-5,5'-dibromoindigo BASF Brilliant Indigo 4G

Description	Vat Blue 2, a indigo (HY-N0335) derivative, is a dark blue 5,5'-dibromo-4,4'-dichloroindigo dye[1].
Related Catalog	Research Areas >> Others Signaling Pathways >> Others >> Others
In Vitro	Indigo is the parent compound for a series of bromine and chlorine-substituted dyestuffs. Vat Blue 2 has four substituents, two each of chlorine and bromine, but located at different positions[1].
References	[1]. Judy D. Timpa, et al. The Flammability of Cotton Fabrics Dyed with Indigo Dyes.

Density	2.026g/cm3
Boiling Point	556.3ºC at 760mmHg
Molecular Formula	C₁₆H₆Br₂Cl₂N₂O₂
Molecular Weight	488.94500
Flash Point	290.2ºC
Exact Mass	485.81700
PSA	58.20000
LogP	5.92260
Vapour Pressure	2.05E-12mmHg at 25°C
Index of Refraction	1.74

HS Code	2933990090

38404-93-2 structure

38404-93-2

~%

29245-44-1 structure

29245-44-1

Literature: Namuswe, Frances; Goldberg, David P. Chemical Communications, 2006 , # 22 p. 2326 - 2328

117887-41-9 structure

117887-41-9

~%

29245-44-1 structure

29245-44-1

Literature: Ruan, Chuanmin; Wang, Wei; Gu, Baohua Analytical Chemistry, 2006 , vol. 78, # 10 p. 3379 - 3384

3252-36-6 structure

3252-36-6

~%

29245-44-1 structure

29245-44-1

Literature: Cotson; Holt Pr.roy.Soc., 1958 , vol. 148, p. 506,513

Precursor 3
38404-93-2 117887-41-9 3252-36-6
DownStream 0

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%