CAS#:6106-04-3

Description: Colorless or white columnar crystal and crystalline powder. It is inodorous and delicious, a slightly sweet and salt taste, no hygroscopic.
Molecular Formula: C₅H₈NNaO₄·H₂O
Molecular Weight:187.13

Item	GB8967-88	FAO/WHO(1988)	FCC(IV)	Japanese Food Additive Standard
Content %	≥ 99.0	99.0	90.5-101.5	99.0
Transparency	≥ 98	--	--	--
PH	6.7-7.2	6.7-7.2	--	6.7-7.2
Specific Rotation [α]20	+24.8°~+25.3°	+24.8°~+25.3°	+24.8°~+25.3°	+24.8°~+23.5°
[α]25	--	+29.7°~+30.2°	+29.7°~+30.2°	--
Zinc %	≤ 0.0005
Sulphate	≤0.03	--	--	--
Lead %	--	≤0.0005	0.001	--
Heavy Metals (as pb) %	≤0.001	≤0.001	≤0.002	≤0.001
Arsenic (as As) %	≤ 0.00005	0.0002	--	0.00025 (As As2O3)
Residue on Ignition %	≤0.5	≤ 0.5	≤ 0.5	≤ 0.5
Clarity and color	--	--	pass	pass
Pyrrolidone carboxylic acid	--	pass	--	--
Iron %	≤ 0.0005	--	--	--