Glycine

1:molecular formula:C2H5NO2

2.Molecular weight:75.07

3.Physical-chemistry property:

White monoclinc crystal or hexagonal crystal or white crystalline powder.

Odorless, with special sweet taste.

Relative density is 1.1607.Melting point is 248°C.(dissolve).

PK'1(COOH)is 2.34,PK'2(N+H3)IS 9.60.soluble in water,

and solubility is: 25°C,25g/100ml;50°C,39.1g/100ml;75°C,54.4g/100ml;100°C,67.2g/100ml.hardly soluble in ethanol and solubility is 0.06g in 100g ethanol absolute,also hardly soluble in acetone and diethyl either.

React with hydrochloric and become hydrochloride.

pH((50g/l solution,25°C)=5.5~7.0

4.Quality specification

1.National standard GB25542-2010

Identification test: up to standard

Assay 98.5-101.5%

Chloride(CI) <0.01%

Arsenia(As) <0.0001%

Heavy metal(Pb) <0.001%

Loss on drying <0.5%

Residue on ignition <0.1%

Clarity test clear

pH VALUE (50g/l water solution) 5.5-7.0

2.FCC 7 standard

Identification test:Infrared Spectrum test up to standard

Positive Ninhydrin <0.5%

Assay 98.5-101.5%

Loss on drying <0.5%

residue on ignition <0.1%

Lead (Pb) <0.0005%

Appearance white crystalline powder

3.Standard of Japan Food Addtive Manual 8th

Assay: 98.5-01.5%

Chloride(CI) <0.021%

Arsenia(As) <0.0004%

Heavy metal(Pb) <0.002%

Loss on drying <0.3%

Residue on ignition <0.1%

Clarity test clear

pH value 50g/l water solution) 5.5-7.0

Appearance white crystalline powder

endotoxin <0.02%

Mainly usage:

Used as sweetner and flavoring agent.Togather used with DL-aminopropionic acid

and citric acid in alcohol beverage,becoming saki and soft drink;

used as acid modofication agent to improve food flavor,providingsweet source;

used as preservative for minced filled and peanut butter,inhibitingbreeding of hay bacillus and colon bacillus;

its amino and carboxy have bufferfunction to edible salt and winegar;

used as phagostimulant for feed additives;

used as bitter-removing agent in food industry,prescription of soft drink,and saccharin sodium salt;

used as stabillzer fir cream,cheese,instant noodle,flour,lard and so on;

also used as stabillizer for vitamin of good industry,playing an important part in preservation.

Package:bag

Net weight:25kg/bag

Gross weight:25.2kg/bag