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BRAZILIN

$ 8.00 /1KG

Min. Order1KG
Purity＞98% HPLC
Cas No474-07-7
Supply Ability20 tons
Update time2020-02-18

career henan chemical co

6YR

China

Chemical Properties

Product Name	BRAZILIN
CAS No	474-07-7
EC-No
Min. Order	1KG
Purity	＞98% HPLC
Supply Ability	20 tons
Release date	2020/02/18

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[Product Specification]

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Product Name:

BRAZILIN

Synonyms:

superbresiline;CI 75280;BRAZILIN;BRAZILIN (C.I. 75280);(6aS,11bR)-7,11b-Dihydrobenz[b]indeno[1,2-d]pyran-3,6a,9,10(6H)-tetrol;NSC 56652;2-d)pyran-3,6a,9,10(6h)-tetrol,7,11b-dihydro-benz(b)indeno(;6a,9,10(6h)-tetrol,7,11b-dihydro-2-d]pyran-(6as-cis)-benz[b]indeno[

CAS:

474-07-7

MF:

C16H14O5

MW:

286.28

EINECS:

207-477-6

Product Categories:

chemical reagent;pharmaceutical intermediate;phytochemical;reference standards from Chinese medicinal herbs (TCM).;standardized herbal extract

Mol File:

474-07-7.mol

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BRAZILIN Chemical Properties

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Melting point

156-157℃

Boiling point

348.65°C (rough estimate)

density

1.1924 (rough estimate)

refractive index

1.6200 (estimate)

EPA Substance Registry System

Brazilin (474-07-7)

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Safety Information

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Safety Statements

24/25

HS Code

29329990

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MSDS Information

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BRAZILIN Usage And Synthesis

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Uses

inhibits platelet aggregation, PLA2, PKC, protein phosphatase, insulin receptor kinase, nitric oxide synthase, antineoplastic

Uses

Chiefly as a dye. Has also been recommended as indicator in acid-base titrations; acids = yellow, alkalies = carmine-red.

Definition

ChEBI: A organic heterotetracyclic compound that is a red pigment obtained from the wood of Caesalpinia echinata (Brazil-wood) or Caesalpinia sappan (sappan-wood).

Purification Methods

Brazilin crystallises from EtOH as yellow crystals which become orange when exposed to light and air, and is yellow in dilute acid but crimson in dilute alkali. When crystallised from H2O, it has m 247-248o. It forms coloured metal salts and is oxidized in air to Brazilein the quinonoid form. The (±)-form has been resolved, and the (+)-enantiomer has [] 20 +121o (c 1, MeOH). [Craig et al. J Org Chem 30 1573 1965,Morsingh & Robinson Tetrahedron 26 281 1970, Beilstein 17 H 194, 17 II 244, 17 III/IV 2711.]

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