MERCK 800691.1000 5-Sulfosalicylic Acid Dihydrate CAS No.5965-83-3

Key Spec Table

CAS #	EC Number	Hill Formula	Molar Mass
5965-83-3	202-555-6	C₇H₆O₆S * 2 H₂O	254.22 g/mol

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Description
Catalogue Number	800691
Synonyms	Salicylsulfonic acid

Product Information
CAS number	5965-83-3
EC number	202-555-6
Hill Formula	C₇H₆O₆S * 2 H₂O
Molar Mass	254.22 g/mol
HS Code	2918 29 90
Structure formula Image
Quality Level	MQ200

Applications
Application	5-Sulfosalicylic acid dihydrate for synthesis. CAS 5965-83-3, pH < - 0.5 (200 g/l, H₂O, 20 °C).

Physicochemical Information
Density	1.6393 g/cm3 (20 °C)
Melting Point	109 - 117 °C (anhydrous substance)
pH value	0.55 (100 g/l, H₂O, 25.4 °C)
Vapor pressure	0.000054 hPa (20 °C)
Bulk density	310 kg/m3
Solubility	987 g/l soluble

Toxicological Information
LD 50 oral	LD50 Rat 1850 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H314: Causes severe skin burns and eye damage.
Precautionary Statement(s)	P260: Do not breathe dust.P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.P304 + P340 + P310: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor.P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.P363: Wash contaminated clothing before reuse.
Signal Word	Danger
Storage class	8A Combustible, corrosive hazardous materials
WGK	WGK 1 slightly hazardous to water
Disposal	4Liquid organic acids or solutions should be diluted, if necessary, and carefully neutralized with sodium hydrogen carbonate (Cat. No. 106323) or with sodium hydroxide (Cat. No 106462). Before filling into container D, check the pH with pH universal indicator strips (Cat. No. 109535).

Safety Information
Categories of danger	harmful, irritant

Storage and Shipping Information
Storage	Store below +30°C.

Transport Information
Declaration (railroad and road) ADR, RID	UN 2585, 8, III
Declaration (transport by air) IATA-DGR	UN 2585, 8, III
Declaration (transport by sea) IMDG-Code	UN 2585, 8, III, Segregation Group: 1 (Acids)

Specifications
Assay (acidimetric)	≥ 99.0 %
Heavy metals (as Pb)	≤ 0.001 %
Identity (IR)	passes test