dextro,laevo-threonine
Suppliers  organoleptics  properties  safety  references  cosmetics    FEMA Index    Home Page
 
Right Click Picture For More Options. (Safari 1.2 (v125) Compatible).
 
IUPAC name :2-amino-3-hydroxybutanoic acid
InChI :InChI=1/C4H9NO3/c1-2(6)3(5)4(7)8/h2-3,6H,5H2,1H3,(H,7,8)/f/h7H
InChIKey :AYFVYJQAPQTCCC-UHFFFAOYAG
SMILES :CC(C(C(=O)O)N)O
cas number :80-68-2
(EINECS) number :201-300-6
beilstein number :1721647
fl. number :17.021
molar refractivity :27.13 ± 0.3 cm3
parachor :253.6 ± 4.0 cm3
index of refraction :1.507 ± 0.02
surface tension :60.0 ± 3.0 dyne/cm
density :1.307 ± 0.06 g/cm3
polarizability :10.75 ± 0.5 10-24cm3
XlogP : -3.50
molecular weight : 119.1191600 (IUPAC)
formula :C4 H9 N O3
BioActivity Analysis :125487
NMR Predictor :Predict
 
 
export tariff code :2922.50.5000
fda reg :unspecified

Suppliers :
Penta :dextro,laevo-threonine
Sigma-Aldrich-Fluka :DL-Threonine
purum, ≥95.0% (HPLC)

organoleptics :

properties :
appearence :white powder
assay : 95.00 to 100.00 %   
Food Chemicals Codex Listed :No
melting point : 230.00 to 244.00 °C. @ 760.00 mm Hg
flash point : 325.00  °F.  TCC  ( 162.78 °C. )
logP (o/w) : -3.04

safety :
most important hazard(s) :None - None found.
  S 02 - Keep out of the reach of children.
S 24/25 - Avoid contact with skin and eyes.
Oral Toxicity(LD50) :
  Not determined
Dermal Toxicity(LD50) :
  Not determined
Inhalation Toxicity(LC50) :
  Not determined
 

safety in 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)
 
recommendation for dextro,laevo-threonine usage levels up to :
 not for fragrance use.
 
 
Food categories according to Commission Regulation EC No. 1565/2000 (EC, 2000) in FGE.06 (EFFA, 2002a). According to the Industry the "normal" use is defined as the average of reported usages and "maximum use" is defined as the 95th percentile of reported usages (EFFA, 2002i).
Note : mg/kg = 0.001/1000 = 0.000001 = 1/1000000 = ppm.
 average usage mg/kgmaximum usage mg/kg
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) : --
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) : --

safety references :
European Food Safety Athority(efsa) :Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...
EPI System :view
Chemical Carcinogenesis Research Information System :Search
Env. Mutagen Info. Center :Search
NLM Developmental and Reproductive Toxicity :Search
Canada Domestic Sub. List :Yes
EPA Chem. Sub. Inventory : Yes
 
WGK Germany :1
 
 
 
 2-amino-3-hydroxybutanoic acid
(EINECS) number :201-300-6
chemidplus :000080682
EPA Substance Registry Services :80-68-2
dtp/nci :206292

references :
 2-amino-3-hydroxybutanoic acid
fl. number :17.021
NIST Chemistry WebBook :4168377604
pubchem :208544

Cosmetics :
Cosmetic uses : antistatic agents
hair conditioning
hair straightening agents
hair waving agents

other :
CosIng :cosmetic data
synonyms :
2-amino-3-hydroxybutanoic acid
dextro,laevo-2-amino-3-hydroxybutanoic acid
 threonine

soluble in :
 alcohol
 water, 201000 mg/L @ 25C

(odor and/or flavor) used in :
 antistatic agents

natural occurrence in :
not found in nature



information only - not sold by The Good Scents Company.



Please share your Information / Comments.

Your email Address:



Top of Page          The Good Scents Company Home

Copyright © 1980-2009 The Good Scents Company Disclaimer Privacy Policy
Html Last modified 08/28/2009