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C1144

Sigma-Aldrich

Chlorazol Black

Powder

Sinonimo/i:

4-Amino-3-[[4′-[(2,4-diaminophenyl)azo][1,1′-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)-2,7-naphthalenedisulfonic acid disodium salt, Chlorazole Black E, Direct Black 38

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About This Item

Formula empirica (notazione di Hill):
C34H25N9Na2O7S2
Numero CAS:
1937-37-7
Peso molecolare:
781.73
Colour Index:
30235
Numero CE:
217-710-3
Numero MDL:
MFCD00066363
Codice UNSPSC:
12171500
ID PubChem:
24892361
NACRES:
NA.47

product name

Chlorazol Black,

Forma fisica

powder

Livello qualitativo

200

Composizione

Dye content, ≥45% (based on Nitrogen)

Colore

dark brown to black

Solubilità

H2O: 1 mg/mL

applicazioni

diagnostic assay manufacturing
hematology
histology

Temperatura di conservazione

room temp

Stringa SMILE

[Na+].[Na+].Nc1ccc(\N=N\c2ccc(cc2)-c3ccc(cc3)\N=N\c4c(N)c5c(O)c(\N=N\c6ccccc6)c(cc5cc4S([O-])(=O)=O)S([O-])(=O)=O)c(N)c1

InChI

1S/C34H27N9O7S2.2Na/c35-22-10-15-27(26(36)18-22)41-38-24-11-6-19(7-12-24)20-8-13-25(14-9-20)40-42-32-28(51(45,46)47)16-21-17-29(52(48,49)50)33(34(44)30(21)31(32)37)43-39-23-4-2-1-3-5-23;;/h1-18,44H,35-37H2,(H,45,46,47)(H,48,49,50);;/q;2*+1/p-2/b41-38+,42-40+,43-39+;;
XRPLBRIHZGVJIC-UVHCWRHYSA-L

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Descrizione generale

Chlorazol Black has strong affinity for cellulose and chitin. In plant tissues, it helps to differentiate between cellulose and lignin. It also helps in distinguishing fungal bodies from artefacts due to chitin staining. It is also used as an auxiliary stain for chromosomes.

Applicazioni

Chlorazol Black has been used to monitor the infection of mycorrhizal Allium porrum in plant roots. It has also been used for the staining of copepods.

Pittogrammi

Health hazardExclamation mark
GHS08,GHS07

Avvertenze

Danger

Indicazioni di pericolo

H319,H350,H361d

Classi di pericolo

Carc. 1B - Eye Irrit. 2 - Repr. 2

Codice della classe di stoccaggio

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type P2 (EN 143) respirator cartridges

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Certificati d'analisi (COA)

Lot/Batch Number
SHBS2080
SHBM4400
MKCD3320
SLBR5011V
SLBN7918V

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R P Bos et al.
Toxicology, 40(2), 207-213 (1986-08-01)
The role of the rat intestinal flora in the azo reduction of some benzidine-based dyes was studied in vitro and in vivo. The formation of benzidine was measured after anaerobic incubation of direct black 38, direct blue 6 and direct
Mercedes Conradi et al.
ZooKeys, (791), 71-95 (2018-11-06)
Spaniomolgus is a symbiotic genus of copepods of the poecilostomatoid family Rhynchomolgidae and is known to be associated with shallow-water reef-building hermatypic corals. Three species of this genus were previously found only in washings of Acropora and Stylophora in northern
Jianyong An et al.
The New phytologist, 224(1), 396-408 (2019-05-31)
Plants form a mutualistic symbiosis with arbuscular mycorrhizal (AM) fungi, which facilitates the acquisition of scarce minerals from the soil. In return, the host plants provide sugars and lipids to its fungal partner. However, the mechanism by which the AM
A Dewan et al.
Archives of environmental health, 43(4), 269-272 (1988-07-01)
Urine samples of workers in a small-scale unit manufacturing Direct Black 38 were analyzed by high-pressure liquid chromatography for the presence of benzidine and mono and diacetyl benzidine. Acetylated metabolites were found in all the urine samples, and benzidine was
Mutagenic activation of the benzidine-based dye direct black 38 by human intestinal microflora.
C E Cerniglia et al.
Mutation research, 175(1), 11-16 (1986-09-01)
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