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4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt dihydrate, ACS - CAS 5808-22-0 - Formula C10H6Na2O8S2•2H2O

22414 5808-22-0 4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt dihydrate, ACS Chromotropic acid disodium salt dihydrate Alfa Aesar

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22414
4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt dihydrate, ACS

CAS: 5808-22-0 MDL: MFCD00150612  EINECS: 204-972-9
Not regulated for shipping
Alternate Name: Chromotropic acid disodium salt dihydrate

 

Pricing and Availability

Size ($) Price Your Price Quantity Options Availability
5g 20.60 Check Availability Add to Favorites Enter qty and click checkbox
25g 59.70 Check Availability Add to Favorites Enter qty and click checkbox
100g 185.00 Check Availability Add to Favorites Enter qty and click checkbox


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.

Other References

Merck: 14,2241
Beilstein: 3647189
Harmonized Tariff Code: 2916.39

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

Risk & Safety

Risk Phrases: 36/37/38
Irritating to eyes, respiratory system and skin.
Safety Phrases: 26-37-60
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable gloves. This material and/or its container must be disposed of as hazardous waste.
Irritant
TSCA: Yes