structure of 7788-99-0

Chromium(III) potassium sulfate dodecahydrate(CAS 7788-99-0)

CAS No.: 7788-99-0 Brand: MolBest
M. Ft.: CrH24KO20S2 Cat. No: G9892708
M. Wt.: 499.4 MDL: MFCD00149917
Storage: Store in a cool,dry area. Use: For laboratory research use only
HS CODE: 2833309000
Purity Grade Package Stock Price Quantity
99%
Documents:COASDS
RG 100G In Stock 4 USD
99%
Documents:COASDS
RG 500G In Stock 8 USD
99%
Documents:COASDS
RG 2.5KG In Stock 38 USD
99%
Documents:COASDS
RG 25KG In Stock 370 USD
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Applications of 7788-99-0

Chromium potassium sulfate dodecahydrate has several important applications:

  • Leather Tanning: It is widely used in the leather industry for tanning hides due to its ability to bind with proteins.
  • Photographic Film Hardener: This compound acts as a hardener for photographic films, enhancing their durability.
  • Dyeing and Printing: As a mordant, it improves dye uptake on fabrics.
  • Analytical Chemistry: It serves as an analytical reagent for various chemical analyses.
  • Food Industry: Used as a food additive for its preservative qualities.

Physical and chemical properties of 7788-99-0

Boiling Point

330ºC at 760 mmHg

Density

1.83

Exact Mass

498.934448

Exposure Limits

NIOSH: IDLH 25 mg/m3; TWA 0.5 mg/m3

Melting Point

89 °C(lit.)

Merck

14,2229

Molecular Formula

H24CrKO20S2

Molecular Weight

499.403

Odor

Odorless

pH

3 (50g/l, H2O, 20℃)

PSA

288.04000

Solubility

water: soluble(lit.)

Stability

Stable. Incompatible with magnesium, aluminium.

Storage condition

Store at +15°C to +25°C.

Water Solubility

24 g/100 mL (15 ºC)

Q&A for CAS 7788-99-0

1. How can I verify product quality?
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10. Is the COA consistent with the shipped batch?
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Download SDS of 7788-99-0

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Signal Word

Warning

Hazard Statements

H315 Causes skin irritation
H319 Causes serious eye irritation

Safety Data Sheet

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Operate under the ISO 9001 system