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4,5-Dihydroxynaphthalene-2,7-disulfonic Acid, Disodium Salt Dihydrate, 98%, ACROS Organics™


Quantity 500g
Packaging Glass bottle

Manufacturer: thermo fisher scientific  155195000

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Catalog No. AC155195000

 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.


Description & Specifications

Chemical Identifiers

Insoluble in Water 0.02% max.
Infrared Spectrum Authentic
Packaging Glass bottle
Suitability (for NO3 and HCHO determination) passes
Color Off-white to gray, beige or light brown
Quantity 500g
Chemical Name or Material 4,5-Dihydroxynaphthalene-2,7-disulfonic acid, disodium salt dihydrate
CAS 5808-22-0
CAS Min % 97.5
CAS Max % 100.0
Physical Form Off-white to gray, beige or light brown powder
Assay 97.5% min.
Assay Percent Range 98%
Molecular Formula C10H6Na2O8S2·2H2O
Formula Weight 400.28g/mol
MDL Number MFCD00150612
Beilstein 11, 307
Merck Index 15, 2245
Synonym 1,8-Dihydroxynaphthalene-3,6-disulfonic acid, disodium salt dihydrate
Health Hazard 1 Warning
Health Hazard 2 GHS H Statement:
May cause respiratory irritation.
Causes skin irritation.
Causes serious eye irritation.
Health Hazard 3 GHS P Statement:
Avoid breathing dust/fume/gas/mist/vapors/spray.
IF ON SKIN: Wash with plenty of soap and water.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

WARNING: The information provided on this web site was developed in compliance with European Union (EU) regulations and is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guide for safe handling and use. It is not to be considered as either a warranty or quality specification.

Specifications

Chemical Name or Material 4,5-Dihydroxynaphthalene-2,7-disulfonic acid, disodium salt dihydrate
CAS 5808-22-0
CAS Min % 97.5
CAS Max % 100.0
Assay 97.5% min.
Assay Percent Range 98%
Molecular Formula C10H6Na2O8S2·2H2O
Formula Weight 400.28g/mol
MDL Number MFCD00150612
Synonym 1,8-Dihydroxynaphthalene-3,6-disulfonic acid, disodium salt dihydrate
Accessories

Warning

GHS P Statement:
Avoid breathing dust/fume/gas/mist/vapors/spray.
IF ON SKIN: Wash with plenty of soap and water.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

WARNING: The information provided on this web site was developed in compliance with European Union (EU) regulations and is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guide for safe handling and use. It is not to be considered as either a warranty or quality specification.

GHS H Statement:
May cause respiratory irritation.
Causes skin irritation.
Causes serious eye irritation.

SDS & Safety Documents