dextro,laevo-threonine
DL-2-amino-3-hydroxybutanoic acid
Identification
| Name | dextro,laevo-threonine |
| IUPAC | 2-amino-3-hydroxybutanoic acid |
| CAS Number | 80-68-2 |
| EINECS | 201-300-6 |
| FDA UNII | TFM6DU5S6A |
| Molecular Formula | C4 H9 N O3 |
| Molecular Weight | 119.12033000 |
| MDL Number | MFCD00063722 |
| Nikkaji Number | J1.252A |
| Beilstein | 1721647 |
| XlogP3 | -2.90 (est) |
Regulatory
| DG SANTE Food Flavourings | 17.021 DL-threonine |
Physical Properties
| Appearance | white powder (est) |
| Assay | 95.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Melting Point | 230.00 to 244.00 °C. @ 760.00 mm Hg |
| Boiling Point | 345.80 °C. @ 760.00 mm Hg (est) |
| Vapor Pressure | 0.000003 mmHg @ 25.00 °C. (est) |
| Flash Point | 325.00 °F. TCC ( 162.78 °C. ) |
| logP (o/w) | -1.136 (est) |
| Soluble in | alcohol |
Cosmetic Information
| CosIng | cosmetic data |
| Cosmetic Uses | antistatic agents |
No sensory data available
Safety Information
| Preferred SDS | View |
| European information | Most important hazard(s): |
| Oral/Parenteral Toxicity | Not determined |
| Dermal Toxicity | Not determined |
| Inhalation Toxicity | Not determined |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']
Safety in Use
| Category | flavoring agents |
| Recommendation for dextro,laevo-threonine usage levels up to | not for fragrance use. |
| Maximised Survey-derived Daily Intakes (MSDI-EU) | 0.12 (μg/capita/day) |
| Modified Theoretical Added Maximum Daily Intake (mTAMDI) | 49000 (μg/person/day) |
| Threshold of Concern | 1800 (μg/person/day) |
| Structure Class | I |
| Dairy products, excluding products of category 02.0 (01.0) | - |
| Fats and oils, and fat emulsions (type water-in-oil) (02.0) | - |
| Edible ices, including sherbet and sorbet (03.0) | - |
| Processed fruit (04.1) | - |
| Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2) | - |
| Confectionery (05.0) | - |
| Chewing gum (05.3) | - |
| Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0) | - |
| Bakery wares (07.0) | - |
| Meat and meat products, including poultry and game (08.0) | - |
| Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0) | - |
| Eggs and egg products (10.0) | - |
| Sweeteners, including honey (11.0) | - |
| Salts, spices, soups, sauces, salads, protein products, etc. (12.0) | - |
| Foodstuffs intended for particular nutritional uses (13.0) | - |
| Non-alcoholic ("soft") beverages, excl. dairy products (14.1) | 150.00000 |
| Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2) | - |
| Ready-to-eat savouries (15.0) | - |
| Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0) | - |
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