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ERIOCHROME BLACK T A.C.S. Above 90% Suppliers

eriochrome black t  a.c.s.

Formula: C20H12N3O7SNa

Molar mass: 461.381 g/mol

Appearance: dark red/brown powder

CAS Number:1787-61-7

Suvidhinath laboratories

6,Gandhi Oil Mill Compound, Beside B.I.D.C, Gorwa,, vadodara, india

india india

eriochrome eriochrome
eriochrome black t a.c.s. above 90%

ERIOCHROME BLACK T

a.c.s.
Above 90%
PRODUCT NAME : ERIOCHROME BLACK T
Synonyms  : 3-Hydroxy-4-[(1-hydroxy-2-naphthalenyl)azo]-7-nitro-1-
    naphthalenesulfonic Acid, Monosodium Salt; Mordant
    Black 11
CAS NO.  : 1787-61-7
C.I. NO.  : 14645
Chemical Formula : C20H13N3NaO7S
Molecular Weight : 461.38
Appearance  : Black Crystalline Powder
Structure  :

 

TESTS                                              LIMITS                             RESULTS

Solubility 0.1% (dist. Water)                Red Solution               Passes Test
Dye Content                                        ~ 60%                        Passes Test
Absorptivity 1% / 1cm, at
(pH 10.0 Ammonia Buffer +
2ml 0.05 M.E.D.T.A. Solution)
at  max.623.0 nm                                460-470                           464
Loss on drying at 110C (1hr)                  > 1%                             0.89%

CAS Number:1787-61-7
Appearance: black crystalline powder

UNISOURCE CHEMICALS PVT LTD

L-15 MIDC Tarapur,, boisar, india

india india

ERIOCHROME
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