22414

4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt dihydrate, ACS

CAS Number 5808-22-0 Synonyms
  • Chromotropic acid disodium salt dihydrate
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4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt dihydrate, ACS

MDL: MFCD00150612
EINECS: 204-972-9

Chemical Properties

Formula: C10H6Na2O8S2•2H2O  Form: Off-White to Buff-Colored Powder
Formula weight: 400.29 (364.26anhy)  Melting point: >300°

Grade Specs

Requirements: Solution P.T., Appearance: Off-white to buff-colored, Sensitivity to nitrate P.T., Sensitivity to formaldehyde P.T.

GHS Hazard and Precautionary Statements

Hazard Statements : H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements : P261-P280-P305+P351+P338-P304+P340-P405-P501A

Avoid breathing dust/fume/gas/mist/vapours/spray. 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. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Harmful or Irritant

Other References

Merck: 14,2241
Beilstein: 3647189
Harmonized Tariff Code: 2916.39
TSCA: Yes
4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt dihydrate, ACS - CAS 5808-22-0 - Formula C10H6Na2O8S2•2H2O

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