2,7-Naphthalenedisulfonicacid, 4,5-dihydroxy-3-[2-(4-nitrophenyl)diazenyl]-, sodium salt (1:2) | CAS 548-80-1

Element: naphthalenedisulfonicacid nitrophenyl dihydroxy diazenyl sodium salt

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C-S » Chemicals » naphthalenedisulfonicacid-dihydroxy-nitrophenyl-diazenyl-sodium-salt-PX1028638

Identification

2,7-Naphthalenedisulfonicacid, 4,5-dihydroxy-3-[2-(4-nitrophenyl)diazenyl]-, sodium salt (1:2)

CAS:

548-80-1

EINECS:

208-959-9

Molecular Formula:

C₁₆H₉N₃Na₂O₁₀S₂

MDL:

MFCD00003951

Synonym:

acidred176(16575) ; ci no 16575 ; chromotrope2b,97% ; b,chromotrope ; chromotrope 2b ; ci 16575 ; acid red 176 ; chromotrope ; chromotrop 2 b ; c.i.acid red 176

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Acid Red 176

Haihang Industry Co., Ltd.

HI6241872

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Santa Cruz Biotechnology, Inc.

252605

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Molekula

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TCI Chemicals (India) Pvt. Ltd.

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scienTEST - bioKEMIX GmbH

S-B7002800

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Leap Chem Co., Ltd

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Sigma-Aldrich International GmbH

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Dayang Chem (Hangzhou) Co.,Ltd.

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Autech Industry Co.,Limited

AIC7563024

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Acros Organics BVBA

AOB5322128

Chromotrope 2B

Gihi Chemicals Co., Limited

GCL7563024

Chromotrope 2B

Krada CPS Industry S.L

KCIS6163080

Chromotrope 2B, 97%

Alfa (A Johnson Matthey Company)

A12163648

Prices & Availability

Data is processed

Properties for 2,7-Naphthalenedisulfonicacid, 4,5-dihydroxy-3-[2-(4-nitrophenyl)diazenyl]-, sodium salt (1:2)

Molecular Weight:

513.37 g·mol−1

Melting point:

300 °C

Physical Description:

dark green to dark purple crystalline powder

Hazard Statements

GHS03
Harmful

Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, categories 2, 3
Eye irritation, category 2A
Skin sensitization, category 1
Specific target organ toxicity following single exposure, category 3
- Respiratory tract irritation
- Narcotic effects

Not used

with the "skull and crossbones" pictogram
for skin or eye irritation if:
the "corrosion" pictogram also appears
the "health hazard" pictogram is used to indicate respiratory sensitization

Safety & Transport Information

Risk Codes:

R36/37/38 - Irritating to eyes, respiratory system and skin

Safety Codes:

S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36 - Wear suitable protective clothing

Hazard Symbols:

Alternative Distributors of [2,7-Naphthalenedisulfonicacid, 4,5-dihydroxy-3-[2-(4-nitrophenyl)diazenyl]-, sodium salt (1:2)]

Producers or manufacturers change the product range from time to time. The following companies
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