Saccharin .

Product Name

: SACCHARIN

C.A.S. No.

: 81-07-2

Molecular Formula

: C₇H₅NO₃S

Molecular Weight

: 183.2 g/mol

SPECIFICATION

IP

BP

USP

Description

White crystals or a white, Crystalline powder; Odourless or with a faint, aromatic odour.

White or almost white, crystalline powder or colorless crystals.

White or almost white, crystalline powder or colorless crystals.

Solubility

-

Sparingly soluble in boiling water and in ethanol (96 %), slightly soluble in cold water. It dissolves in dilute solutions of alkali hydroxides and carbonates

-

Identification

1. Reaction

2. Melting point

3. IR

4. Color

5. color

A. Must comply with the saccharin RS

B. An intense green fluorescence develops

C. A violet color develops

D.A saturated solution is acidic to litmus paper.

A. a saturated solution, prepared without heating, turns blue litmus paper.

B. 226  C to 230 C

C. Must comply with the saccharin RS

D An intense green fluorescence develops.

E. A violet color develops

A: Must comply with the saccharin RS

B:226  C to 230 C

Appearance of solution

Solution is Clear & Colorless

Solution is Clear & Colorless

The test solution shows the same clarity as that of water.

(Relative Substances)

o- and p-Toluene sulfonamide

NMT 10 ppm

NMT 10 ppm

NMT 10 ppm

Readily carbonisable substances

The solution is not more intensely coloured than reference solution BYS6.

The solution is not more intensely coloured than a solution prepared by mixing 0.1 mL of red primary solution, 0.1 mL of blue primary solution and 0.4 mL of yellow primary solution with 4.4 mL of water

The solution has no more colour than matching fluid A.

Arsenic

NMT 2 ppm

-

Heavy metals

NMT 2 ppm

-

NMT 10 ppm

Sulphated Ash

NMT 0.1 %

-

NMT 0.2 %

Limit of benzoate and salicylate

-

-

No precipitate or violet color appears in the liquid.

Organic volatile impurities

-

-

Meets the requirement.

Loss on drying

NMT 1.0 %

NMT 1.0 %

NMT 1.0 %

Assay (dried basis)

98.0 %-101.0 %

99.0 %-101.0 %

99.0 %-101.0 %