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90-80-2

Name delta-Gluconolactone
CAS 90-80-2
EINECS(EC#) 202-016-5
Molecular Formula C6H10O6
MDL Number MFCD00006647
Molecular Weight 178.14
MOL File 90-80-2.mol
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Chemical Properties

Appearance Powder
Melting point  160 °C (dec.)(lit.)
alpha  65 º (c=1,H2O)
Boiling point  230.35°C (rough estimate)
density  0.6
refractive index  63.5 ° (C=10, H2O)
storage temp.  Sealed in dry,Room Temperature
solubility  590g/l Hydrolysis
form  Crystalline Powder
pka 12.06±0.60(Predicted)
color  White to off-white
Odor wh. cryst. powd., pract. odorless
PH 3.6 (10g/l, H2O, 20℃)
Water Solubility  500 g/L (20 ºC)
Usage Geogard(R)Ultra is a synergistic blend of gluconolactone and sodium benzoate. This blend provides broad spectrum protection against product spoilage in a variety of personal care formulations. Product Data Sheet
Merck  14,4457
BRN  83286
LogP -2.38
Uses
(GDL) An acidulant. It hydrolyzes to form gluconic acid in water solution and thereby creates the desired pH. The rate of acid formation is affected by temperature, concentration, and the pH of the solution. It has low acid release at room temperature and accelerated conversion into gluconic acid at high temperatures. It is readily soluble with a solubility of 59 g in 100 ml of water at 20°C. It functions as a leavening agent, acidulant, curing and pickling agent, and pH control agent. It is comparatively less tart/sour than other food acids. It is used in baked goods, fish products, desserts, and dressings.
CAS DataBase Reference 90-80-2(CAS DataBase Reference)
NIST Chemistry Reference D-Gluconic acid, «delta»-lactone(90-80-2)
EPA Substance Registry System 90-80-2(EPA Substance)
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Safety Data

Hazard Codes  Xn,Xi
Risk Statements 
R21:Harmful in contact with skin.
R36/38:Irritating to eyes and skin .
R62:Possible risk of impaired fertility.
R63:Possible risk of harm to the unborn child.
Safety Statements 
S24/25:Avoid contact with skin and eyes .
S53:Avoid exposure-obtain special instruction before use .
S36/37:Wear suitable protective clothing and gloves .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S25:Avoid contact with eyes .
WGK Germany  3
RTECS  LZ5184000
F  21
TSCA  Yes
HS Code  38220090
Safety Profile
Mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazardous Substances Data 90-80-2(Hazardous Substances Data)

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