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Antimonyl Potassium Tartrate 99% CP Grafe Reagent

Cas Number:28300-74-5
Formula:C4H4KO7Sb·0.5H2O
Molar Mass:333.93
EC Number:229-436-1

Quantity:
  • CP
  • LABOR
  • 140503129

Antimonyl Potassium Tartrate 99% CP Grafe Reagent


Cas Number:28300-74-5

Formula:C4H4KO7Sb·0.5H2O

Molar Mass:333.93

EC Number:229-436-1


Physicochemical properties:

Colorless transparent crystal or white powder. Odorless. It is slightly sweet and with metallic taste. It will weathering in air; loss of crystal water at 100 °C. 1 g is dissolved in 12 ml of water, 3 ml of boiling water, and 15 ml of glycerin. Do not dissolve in ethanol. The aqueous solution is slightly acidic. The relative density is 2.6. Specific optical rotation +140.69 ° (c = 2, water). Moderately toxic, half lethal dose (rat, oral) 115 mg/kg.


Usage:

Determination of lead. Analysis of sodium and strontium. Mordant. Insecticides.


Packing:

500g/25kg




Item of Analysis

Standard

Assay,%

99.0 min

pH(50g/L,25℃)

3.5~4.5

Transparency of solution

to pass test

Arsenic(As),%

0.002 max

Heavy metals(as Pb),%

0.002 max


Symbol 

Signal word 

Danger

Hazard statement

H301


H332


H411

Precautionary statements—Prevention

P261


P264


P270


P271


P273

Precautionary statements—Response

P301+P310+P330


P304+P340+P312


P391

Precautionary statements—Storage

P405

UN No.

1551

Hazard Class

6.1

Package Group

III

Flashpoint

No information

Boiling point

No information

Melting point

300°C



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