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Chromotropic acid disodium salt dihydrate_Molecular_structure_CAS_5808-22-0)
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Chromotropic acid disodium salt dihydrate

Catalog No. 27150 Name Sigma Aldrich
CAS Number 5808-22-0 Website http://www.sigmaaldrich.com
M. F. C10H10Na2O10S2 Telephone 1-800-521-8956
M. W. 400.28994 Fax
Purity ≥99.0% (T) Email
Storage Chembase ID: 107986

SYNONYMS

Title
变色酸 二钠盐 二水合物
IUPAC name
disodium 4,5-dihydroxynaphthalene-2,7-disulfonate dihydrate
IUPAC Traditional name
disodium 4,5-dihydroxynaphthalene-2,7-disulfonate dihydrate
Synonyms
4,5-DIHYDROXYNAPHTHALENE-2,7-DISULFONIC ACID DISODIUM SALT
4,5-二羟基萘-2,7-二磺酸 二钠盐
1,8-二羟基萘-3,6-二磺酸 二钠盐
1,8-Dihydroxynaphthalene-3,6-disulfonic acid disodium salt

DATABASE IDS

MDL Number MFCD00150612
PubChem SID 24856441
EC Number 204-972-9
CAS Number 5808-22-0

PROPERTIES

Grade ACS reagent
Grade puriss. p.a.
Impurities 8-10% water
Linear Formula (HO)2C10H4(SO3Na)2·2H2O
Purity ≥99.0% (T)
Quality for the detection of Ag, ClO3-, Cr, Hg, NO2-, NO32-, Ti
Apperance off-white
Melting Point >300 °C(lit.)
GHS Pictograms GHS07
GHS Signal Word Warning
GHS Hazard statements H315-H319-H335
European Hazard Symbols Irritant Irritant (Xi)
MSDS Link Download
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
GHS Precautionary statements P261-P305 + P351 + P338
Risk Statements 36/37/38
Safety Statements 26-36
German water hazard class 3

DETAILS

REFERENCES