isobutyl stearate
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IUPAC name :2-methylpropyl octadecanoate
InChI :InChI=1/C22H44O2/c1-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-22(23)24-20-21(2)3/h21H,4-20H2,1-3H3
InChIKey :ORFWYUFLWUWSFM-UHFFFAOYAK
SMILES :CCCCCCCCCCCCCCCCCC(=O)OCC(C)C
cas number :646-13-9
(EINECS) number :211-466-1
beilstein number :1792857
fl. number :09.592
molar refractivity :105.70 ± 0.3 cm3
parachor :929.5 ± 4.0 cm3
index of refraction :1.447 ± 0.02
surface tension :30.4 ± 3.0 dyne/cm
density :0.861 ± 0.06 g/cm3
polarizability :41.90 ± 0.5 10-24cm3
XlogP : 8.40
XlogP3-AA : 9.90
molecular weight : 340.5835600 (IUPAC)
formula :C22 H44 O2
NMR Predictor :Predict
 
 
export tariff code :unspecified
fda reg :unspecified

Suppliers :
Berje :isoButyl Stearate
Nanjing :isobutyl stearate
orders in chinese only.

organoleptics :
odor strength :low
odor description:
at 100.00 %.  
mild fatty

properties :
appearence :colorless waxy oily solid
assay : 98.00 to 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :0.85000 to 0.85400 @ 25.00 °C.
pounds per gallon - calc. : 7.073 to 7.106
refractive index :1.44100 @ 25.00 °C.
melting point : 28.00 to 30.00 °C. @ 760.00 mm Hg
boiling point : 200.00 °C. @ 4.00 mm Hg
acid value : 1.00  max.  KOH/g
saponification value :170.00 to 180.00
vapor pressure :0.00002 mm/Hg @ 25.00 °C.
flash point :> 212.00  °F.  TCC  ( > 100.00 °C. )
logP (o/w) : 9.63

safety :
most important hazard(s) :Xi - Irritant
  R 36/38 - Irritating to skin and eyes.
S 02 - Keep out of the reach of children.
S 24/25 - Avoid contact with skin and eyes.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 36 - Wear suitable protective clothing.
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) :0.0012 (μg/capita/day)
modified Theoretical Added Maximum Daily Intake (mTAMDI) :3900 (μg/person/day)
Threshold of concern :1800 (μg/person/day)
Category :solvents/deluents for cosmetic, flavor and/or fragrance agents
 
recommendation for isobutyl stearate fragrance usage levels up to :
 not for fragrance use.
recommendation for isobutyl stearate flavor usage levels up to :
 not for flavor 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) : 7.0000035.00000
Fats and oils, and fat emulsions (type water-in-oil) (02.0) : 5.0000025.00000
Edible ices, including sherbet and sorbet (03.0) : 10.0000050.00000
Processed fruit (04.1) : 7.0000035.00000
Processed vegetables (incl. mushrooms & fungi, roots & tubers, pulses and legumes), and nuts & seeds (04.2) : --
Confectionery (05.0) : 10.0000050.00000
Cereals and cereal products, incl. flours & starches from roots & tubers, pulses & legumes, excluding bakery (06.0) : 5.0000025.00000
Bakery wares (07.0) : 10.0000050.00000
Meat and meat products, including poultry and game (08.0) : 2.0000010.00000
Fish and fish products, including molluscs, crustaceans and echinoderms (MCE) (09.0) : 2.0000010.00000
Eggs and egg products (10.0) : --
Sweeteners, including honey (11.0) : --
Salts, spices, soups, sauces, salads, protein products, etc. (12.0) : 5.0000025.00000
Foodstuffs intended for particular nutritional uses (13.0) : 10.0000050.00000
Non-alcoholic ("soft") beverages, excl. dairy products (14.1) : 5.0000025.00000
Alcoholic beverages, incl. alcohol-free and low-alcoholic counterparts (14.2) : 10.0000050.00000
Ready-to-eat savouries (15.0) : 20.00000100.00000
Composite foods (e.g. casseroles, meat pies, mincemeat) - foods that could not be placed in categories 01.0 - 15.0 (16.0) : 5.0000025.00000

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
NLM Hazardous Substances Data Bank :search
Toxicology Citations :Search
Canada Domestic Sub. List :Yes
EPA Chem. Sub. Inventory : Yes
 
 
 
 
2-methylpropyl octadecanoate
(EINECS) number :211-466-1
chemidplus :000646139
EPA Substance Registry Services :646-13-9

references :
 
2-methylpropyl octadecanoate
fl. number :09.592
NIST Chemistry WebBook :1969751633
pubchem :155917

Cosmetics :
Cosmetic uses : emollients
skin conditioning

other :
CosIng :cosmetic data
synonyms :
isobutyl octadecanoate
2-methyl propyl octadecanoate
2-methylpropyl octadecanoate
 octadecanoic acid 2-methyl propyl ester
 stearic acid 2-methyl propyl ester

soluble in :
 alcohol
 fixed oils
 mineral oil
 water, 0.0000749 mg/L @ 25C

insoluble in :
 water

potential uses :
 emollients
 skin conditioning

natural occurrence in :    note
 not found in nature  

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