• SRS Aromatics
    • SRS Aromatics Ltd
      For over 25 years
      Bringing flavour and fragrance into your world.
      As suppliers / distributors of ingredients to the fragrance and flavour industries, our goal is to provide high quality materials at competitive prices with an exceptional level of service. Established in 1984, SRS Aromatics Ltd is an independent family owned business which has become very well-respected within the fragrance and flavour industry as a reliable and trustworthy partner. Over the years this has allowed the company to develop strong relationships with many global manufacturers; several of whom we represent in the UK. A core aim of our business is to work extremely closely with both our suppliers and customers to maximise service levels with minimum disruption to supply.
      Email:Info
      Email:Sales
      Voice:+44 (0) 1359 244760
      Fax:+44 (0) 1359 244247
      Product(s):
      METHYL 2 BUTYL ISO BUTYRATE
       
2-methyl butyl isobutyrate
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  • Organoleptics
      • Organoleptic Properties
        Odor Type :fruity
        Odor Description:
        fruity ethereal
  • Properties
      • Physical Properties
        Appearance :colorless clear liquid (est)
        Assay : 95.00 to 100.00 % 
        Food Chemicals Codex Listed :No
        Specific Gravity :0.85600 to 0.86200 @  25.00 °C.
        Pounds per Gallon - (est). : 7.123 to  7.173
        Refractive Index :1.40800 to 1.41000 @  20.00 °C.
        Boiling Point : 168.00 to  170.00 °C. @ 760.00 mm Hg
        Vapor Pressure :1.895000 mm/Hg @ 25.00 °C. (est)
        Flash Point : 122.00 °F. TCC ( 50.00 °C. )
        logP (o/w) : 3.021 (est)
  • Safety
      • Safety Information
        Oral/Parenteral Toxicity : 
          Not determined
        Dermal Toxicity : 
          Not determined
        Inhalation Toxicity : 
          Not determined
  • Safety in Use
      • Safety in Use Information
        Category :flavoring agents
        Maximised Survey-derived Daily Intakes (MSDI-EU) :0.73 (μg/capita/day)
        Modified Theoretical Added Maximum Daily Intake (mTAMDI) :2300 (μg/person/day)
        Threshold of Concern :1800 (μg/person/day)
        Structure Class :I
        Recommendation for 2-methyl butyl isobutyrate fragrance usage levels up to :
         not for fragrance use.
         
        Food categories according to Commission Regulation EC No. 1565/2000 (EC, 2000) in FGE.06 (EFSA, 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 (EFSA, 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) : --
        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
2-methylbutyl 2-methylpropanoate (Click)
CAS Number : 2445-69-4
ECHA EC Number :219-493-0
CoE Number :10770
XlogP3-AA :2.80 (est)
Molecular Weight :158.24086000
Formula :C9 H18 O2
NMR Predictor :Predict
EFSA/JECFA Comments :Racemate
Category :flavoring agents
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information :
Google Scholar : Search Google Books : Search
Google Scholar : with word "volatile"Search Google Scholar : with word "flavor"Search
Google Scholar : with word "odor"SearchPerfumer and Flavorist : Search
Google Patents : Search US Patents : Search
EU Patents : Search
Pubchem Patents:Search
Flavis Number :09.663 (Old)
EU SANCO Food Flavourings :09.663  2-methylbutyl isobutyrate

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Picture of molecule
2-methylbutyl 2-methylpropanoate
Synonyms :
isobutyric acid 2-methyl butyl ester
isobutyric acid 2-methylbutyl ester
isobutyric acid, 2-methylbutyl ester
2-methyl butyl 2-methyl propanoate
2-methyl butyl 2-methyl propionate
2-methyl propanoic acid 2-methyl butyl ester
2-methylbutyl 2-methylpropanoate
2-methylbutyl 2-methylpropionate
2-methylbutyl isobutyrate
2-methylpropanoic acid 2-methylbutyl ester
 propanoic acid, 2-methyl-, 2-methylbutyl ester
Soluble in :
 alcohol
 water, 136.1 mg/L @ 25 °C (est)
Insoluble in :
 water
Stability :
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