Zinc sulfate heptahydrate , AR , 7446-20-0

Synonym(s):
Zinc sulfate monohydrate;Zinc vitriol;Zinci sulfas

CAS NO.：7446-20-0

Empirical Formula: H14O11SZn

Molecular Weight: 287.56

MDL number: MFCD00149894

EINECS: 616-097-3

PRODUCT Properties

• Melting point: 100 °C
• Density: 1.957
• storage temp.: Store at +5°C to +30°C.
• solubility: H2O: soluble100mg/mL, clear, colorless
• form: Solid
• Specific Gravity: 1.97
• color: White
• PH: 4-6 (50g/l, H2O, 20℃)
• Odor: odorless, astringent taste
• Water Solubility: 960 g/L
• Sensitive: Hygroscopic
• Merck: 14,10159
• Stability: Stable. Incompatible with strong oxidizing agents. Hygroscopic - protect from moisture.
• CAS DataBase Reference: 7446-20-0(CAS DataBase Reference)
• EPA Substance Registry System: Sulfuric acid, zinc salt (1:1), heptahydrate (7446-20-0)

Description and Uses

Zinc sulfate heptahydrate is widely used as a coagulant in the production of rayon. It finds an application in the manufacturing of calico printing, wood preservation and lithopone. It is the source of zinc which is supplied in animal feeds, fertilizers and agricultural sprays. It is utilized as electrolytes for zinc plating and surface treating agents. It is also used as a mordant in dyeing, preservative for skin and leather and in medicine as an astringent and emetic.

Safety

• Symbol(GHS): GHS05,GHS07,GHS09
• Signal word: Danger
• Hazard statements: H302-H318-H410
• Precautionary statements: P264-P270-P273-P280-P301+P312-P305+P351+P338
• Hazard Codes: Xn,N,Xi
• Risk Statements: 22-41-50/53-36/38
• Safety Statements: 22-26-39-46-60-61-25
• RIDADR: UN 3077 9/PG 3
• WGK Germany: 3
• RTECS: ZH5300000
• TSCA: Yes
• HazardClass: 9
• PackingGroup: III
• HS Code: 28332600
• Toxicity: LD50 orally in Rabbit: 1260 mg/kg