dextro,laevo-threonine

DL-2-amino-3-hydroxybutanoic acid

CAS: 80-68-2 C4 H9 N O3 MW: 119.12033000

Identification

Namedextro,laevo-threonine
IUPAC2-amino-3-hydroxybutanoic acid
CAS Number80-68-2
EINECS201-300-6
FDA UNIITFM6DU5S6A
Molecular FormulaC4 H9 N O3
Molecular Weight119.12033000
MDL NumberMFCD00063722
Nikkaji NumberJ1.252A
Beilstein1721647
XlogP3-2.90 (est)

Regulatory

DG SANTE Food Flavourings17.021 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

CosIngcosmetic data
Cosmetic Usesantistatic agents

No sensory data available

Safety Information

Preferred SDSView
European informationMost important hazard(s):
Oral/Parenteral ToxicityNot determined
Dermal ToxicityNot determined
Inhalation ToxicityNot determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Categoryflavoring agents
Recommendation for dextro,laevo-threonine usage levels up tonot 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 Concern1800 (μg/person/day)
Structure ClassI
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)-

BOC Sciences

Best of Chemicals Supplier

Quality supplier of research chemicals and biochemicals including inhibitors, building blocks, GMP Products, impurities and metabolites, APIs for Veterinary, Natural Compounds, ADCs, Stem Cell Molecul...

View All Website 1-631-485-4226 account@bocsci.com

Glentham Life Sciences Ltd

The Chemical, Biochemical & Research Essentials Supplier

Glentham Life Sciences is a supplier of fine chemicals and raw materials with warehousing, laboratories and packaging facilities in the UK.

View All Website +44 (0) 1225 667798 info@glentham.com

OQEMA

With a focus on providing the highest level of service

OQEMA has established itself at the forefront of the global chemical industry.

View All Website +1 973 886 3778 fandf@oqema.co.uk

Penta International Corporation

Chemistry innovation

At Penta, our products and services help businesses do business better.

View All Website (973) 740-2300 lisaa@pentamfg.com

TCI AMERICA

Moving Your Chemistry Forward

We continuously strive to advance our technology.

View All Website 1-800-423-8616 Sales-US@TCIchemicals.com;

Potential Uses

antistatic agents

Natural Occurrence

found in nature

Synonyms

2- amino-3-hydroxybutanoic acid dextro,laevo-2- amino-3-hydroxybutanoic acid DL-2- amino-3-hydroxybutanoic acid (±)-2- amino-3-hydroxybutyric acid H-DL-Thr-OH threonin threonine (±)- threonine allo-DL- threonine DL- threonine DL-allo threonine DL-allo- threonine threonine, DL- PubMed: Improving the electro-transformation efficiency of Corynebacterium glutamicum by weakening its cell wall and increasing the cytoplasmic membrane fluidity. J-Stage: Effects of Dietary Low Level of Threonine and Lysine on the Accumulation of Intramuscular Fat in Porcine Muscle PubMed: HeartWare Ventricular Assist Device Placement in a Patient With Corrected Dextro-Transposition of Great Arteries: A Case Report and Its Clinical Challenges. PubMed: Plasmid transformation of Weissella paramesenteroides DX by electroporation. PubMed: Prevalence, correlates and management of type 2 diabetes mellitus in Lebanon: findings from a national population-based study. PubMed: Assessing the chiral switch: approval and use of single-enantiomer drugs, 2001 to 2011. PubMed: Identification of selective inhibitors of indoleamine 2,3-dioxygenase 2. PubMed: Dexmethylphenidate extended-release capsules for attention deficit hyperactivity disorder. PubMed: Identification and estimation of the levo isomer in raw materials and finished products containing atropine and/or hyoscyamine. PubMed: [Judicious use of anorectics]. PubMed: Blood-brain transport of triiodothyronine is reduced in aged rats. PubMed: Reduction of food intake by manipulation of central serotonin. Current experimental results. PubMed: Improved electroporation efficiency of intact Lactococcus lactis subsp. lactis cells grown in defined media. PubMed: Oral self-administration of N-allylnormetazocine (SKF-10,047) stereoisomers in rhesus monkeys: substitution during phencyclidine self-administration and withdrawal. PubMed: Medial hypothalamic serotonin: effects on deprivation and norepinephrine-induced eating. PubMed: Effects of LY150720 (picenadol), a novel mixed-action opioid, on schedule-controlled responding in the squirrel monkey. PubMed: [Chemical and nutritional evaluation of triticale (Secale sp.) cultivated in Chile]. PubMed: Discriminative stimulus properties of ketamine stereoisomers in phencyclidine-trained rats. PubMed: [Studies on the methionine-threonine imbalance in chicks]. PubMed: The effects of anorexic doses of dextro-amphetamine on the ventromedial-hypothalamic hyperphagic rat. PubMed: [SIMULTANEOUS RECORDING OF FOOD AND LIQUID UPTAKE AND MOTOR ACTIVITY IN RATS UNDER THE EFFECT OF DIFFERENT DRUGS]. PubMed: d-Amphetamine-chlorpromazine antagonism in a food reinforced operant.