PRODUCT: MSG ( Monosodium Glutamate ) GB/T8967-2000, FCC, E621

Item

Specification

Appearance

Small crystals

Color

Whitish

Aroma

None

Flavor

Slightly Salty

Assay

99.0% min

PH (1% Solution)

6.7-7.2

Salt

0. 4% max

Sodium Content

12.30% max

Transmittance

98.0% min

Specific Rotation [α]D20°C

+24.90 - +25.30

Loss on Dry

0.3% max

Heavy metals

10 ppm max

Zinc

25 ppm max

Copper + Zinc

50 ppm max

Arsenic (As2SO3)

1.5ppm max

Chloride

0.04% max

Pyrrolidoncarboxyl Acid

0.2% max

Lead (Pb)

2 ppm max