It is widely used as sour agent, starter, protein coagulant, PH reducing agent, color retention agent, food preservative, etc. It can also be used in cosmetics, textiles, paper making, medicine, etc.
Multiple Names
D-Aldonolactone;
D-GluconicAcid,Delta-Lactone;
D-(+)-Glucono-1,5-Lactone;
D-Glucono-Delta-Lactone;
Delta-Gluconolactone;
Delta-Gluconolactone, Coarse Powder;
D-Threo-Aldono-1,5-Lactone;
Gluconic Acid Lactone;
Gluconic Lactone;
Glucono Delta-Lactone;
Glucolactone;
Glucono-Delta-Lactone;
Glucono Delta Lactone;
(3S,4R,5R,6S)-3,4,5-Trihydroxy-6-(Hydroxymethyl)Tetrahydro-2H-Pyran-2-One (Non-Preferred Name);
D-(+)-Glucono-1,5-Lacton.
CAS No. 90-80-2
EC No. 202-016-5
MF No. C6H10O6
MW No. 178.14
Assay Item | Standard |
Form | White crystalline or powder |
Color | White to off-white |
Boiling Point | 230.35°C (rough estimate) |
Melting Point | 160 °C (dec.)(lit.) |
Density | 0.6 |
PH | 3.6 (10g/l, H2O, 20℃) |
Odorless.
The lactone tofu made of it is tender, no odor, no protein loss, and has antiseptic property.
Very popular preservatives, loosening agents, coagulants, acid taste agents.
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