Glucono-Delta-Lactone/Gdl CAS 90-80-2 Used for Tofu Food Preservative Glucono-δ -Lactone

• CAS No.: 90-80-2
• Formula: C6h10o6
• EINECS: 202-016-5
• Model NO.: D- (+)-Glucono-1, 5-lactone
• Composition: Corn
• Type: Vegetable Preservative
• Effect: Bacteriostatic Agent
• Resource: Natural Preservatives
• Melting Point: 160
• Mesh: 60mesh
• Assay: 99
• Loss on Drying: 1
• Transport Package: 25kg/Bag
• Specification: 25kg
• Trademark: Fuyang
• Origin: China
• HS Code: 2932209090
• Production Capacity: 20000mt/Year

Product Description

Glucona Delta Lactone(GDL), a non-toxic white crystalline powder, is obtain from the oxidation of glucose to gluconic acid or its salts by purification, decolorization, concentration and crystallization. GDL,soluble in water,slow decomposition under 25ºC,is widely used in food industry.

The food additive gluconic acid was prepared from sodium gluconate by dissolution, cation exchange, sodium removal, concentration, crystallization, centrifugation and drying- δ- Lactone.

ACKAGING: Packaged in multi-layer kraft paper bag with food grade PE inner bag, net 25kg/bag. (Other packaging types are available on requests) SHELF LIFE: 24 months if stored under recommended storage conditions. STORAGE CONDITIONS: Should be stored in airtight container in a cool and dry place below 40ºC and relative humidity less then 70%. Product should be reevaluated if it exceeds
 

Item	Unit	Result	Method
Appearance	/	Fine, white, Odorless, crystalline powder	Take an appropriate amount of sample and place it in a clean and dry white porcelain plate. Observe its color and condition under natural light.
Assay	%	≥99	GB 7657- 2020 A. 4
Loss on drying	%	≤1	GB 5009 3. Direct drying method
Reducing substances	%	≤0.5	GB 7657- 2020 A. 5
Sulfate	%	≤0.03	GB 7657- 2020 A. 6
chloride	%	≤0.02	GB 7657- 2020 A. 7
As	mg/kg	≤3	GB 5009 .11
Pb	mg/kg	≤2	GB 5009 .12
Sample quantity: 2G