2,7-Naphthalenedisulfonic acid, 4-[(2,4-dihydroxyphenyl)azo]-5-hydroxy-, coupled with diazotized 2-amino-4,6-dinitrophenol, sodium salts is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
91671-95-3
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Basic information
- Product Name: 2,7-Naphthalenedisulfonic acid, 4-[(2,4-dihydroxyphenyl)azo]-5-hydroxy-, coupled with diazotized 2-amino-4,6-dinitrophenol, sodium salts
- Synonyms: 2,7-Naphthalenedisulfonic acid, 4-[(2,4-dihydroxyphenyl)azo]-5-hydroxy-, coupled with diazotized 2-amino-4,6-dinitrophenol, sodium salts
- CAS NO:91671-95-3
- Molecular Formula: C16H12N2O9S2
- Molecular Weight: 440.40448
- EINECS: 293-998-4
- Product Categories: N/A
- Mol File: 91671-95-3.mol
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: /
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: 2,7-Naphthalenedisulfonic acid, 4-[(2,4-dihydroxyphenyl)azo]-5-hydroxy-, coupled with diazotized 2-amino-4,6-dinitrophenol, sodium salts(CAS DataBase Reference)
- NIST Chemistry Reference: 2,7-Naphthalenedisulfonic acid, 4-[(2,4-dihydroxyphenyl)azo]-5-hydroxy-, coupled with diazotized 2-amino-4,6-dinitrophenol, sodium salts(91671-95-3)
- EPA Substance Registry System: 2,7-Naphthalenedisulfonic acid, 4-[(2,4-dihydroxyphenyl)azo]-5-hydroxy-, coupled with diazotized 2-amino-4,6-dinitrophenol, sodium salts(91671-95-3)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 91671-95-3(Hazardous Substances Data)
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91671-95-3 Usage
Molecular weight
458.36 g/molAppearance
Dark red solidSolubility
Soluble in water, slightly soluble in ethanol and acetoneMelting point
>300°CUses
Azo dye intermediate, used in the production of azo dyes and pigments, applications in the textile and paper industriesColor properties
Bright and vibrant colorsApplications
Clothing, printing inks, paper productsSafety concerns
Can cause skin and eye irritation, may be harmful if ingested or inhaled, handle with care.Check Digit Verification of cas no
The CAS Registry Mumber 91671-95-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,6,7 and 1 respectively; the second part has 2 digits, 9 and 5 respectively.Calculate Digit Verification of CAS Registry Number 91671-95:
(7*9)+(6*1)+(5*6)+(4*7)+(3*1)+(2*9)+(1*5)=153
153 % 10 = 3
So 91671-95-3 is a valid CAS Registry Number.
91671-95-3Upstream product
91671-95-3Downstream Products
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2,7-Naphthalenedisulfonic acid, 4-[(2,4-dihydroxyphenyl)azo]-5-hydroxy-, coupled with diazotized 2-amino-4,6-dinitrophenol, sodium salts
