2-Isopropyl-3-methoxypyrazine

  • Identifiers

    CAS number
    25773-40-4

    Molecular formula
    C8H12N2O

    SMILES
    CC(C)C1=NC=CN=C1OC
    NNO

    Safety labels

    Irritant
    Irritant

    Retention indicies (RI)

    • DB5: 1095.5
    • Carbowax: 1434.0
  • Odor profile

    green 89.45%
    earthy 74.15%
    nutty 70.43%
    vegetable 64.14%
    roasted 49.64%
    potato 47.27%
    musty 44.57%
    cocoa 40.52%
    woody 37.55%
    leafy 36.01%

    Scent© AI

  • Properties

    XLogP3-AA
    2.0 Well soluble in IAA, DEP, MMB

    Molecular weight
    152.19 g/mol

    Vapor pressure est.

    • 0.0886 hPa @ 20°C
    • 0.1355 hPa @ 25°C

    Evaporation rate
    Moderate

    Boiling point

    • 120.00 to 125.00 °C. @ 20.00 mm Hg

  • Synonyms

    • 2-ISOPROPYL-3-METHOXYPYRAZINE
    • 25773-40-4
    • 2-Methoxy-3-isopropylpyrazine
    • 2-methoxy-3-propan-2-ylpyrazine
    • 3-isopropyl-2-methoxypyrazine
    • Pyrazine, 2-methoxy-3-(1-methylethyl)-
    • 1FL7L111A6
    • 2-methoxy-3-(propan-2-yl)pyrazine
    • 2-methoxy-3-(1-methylethyl)pyrazine
    • bean pyrazine
NaN of -Infinity
Recommendation
No restriction
Maximum acceptable concentrations in the finished product (%)
Category 1
Products applied to the lips
No restriction Category 7A
Rinse-off products applied to the hair with some hand contact
No restriction
Category 2
Products applied to the axillae
No restriction Category 7B
Leave-on products applied to the hair with some hand contact
No restriction
Category 3
Products applied to the face/body using fingertips
No restriction Category 8
Products with significant anogenital exposure
No restriction
Category 4
Products related to fine fragrance
No restriction Category 9
Products with body and hand exposure, primarily rinse off
No restriction
Category 5A
Body lotion products applied to the body using the hands (palms), primarily leave on
No restriction Category 10A
Household care products with mostly hand contact
No restriction
Category 5B
Face moisturizer products applied to the face using the hands (palms), primarily leave on
No restriction Category 10B
Household care products with mostly hand contact, including aerosol/spray products (with potential leave-on skin contact)
No restriction
Category 5C
Hand cream products applied to the hands using the hands (palms), primarily leave on
No restriction Category 11A
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate without UV exposure
No restriction
Category 5D
Baby Creams, baby Oils and baby talc
No restriction Category 11B
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
No restriction
Category 6
Products with oral and lip exposure
No restriction Category 12
Products not intended for direct skin contact, minimal or insignificant transfer to skin
No restriction
Name CAS Botanical Proportion
Galbanum 4 9000-24-2 Ferula galbaniflua Boiss. et Buhse, fam. Apiaceae (Umbelliferae) 0.01%
Hyacinth, picked flower headspace 1b Hyacinthus orientalis L., fam. Liliaceae 0.01%
Lily-of-the-valley flower headspace Convallaria majalis L., fam. Liliaceae (Convallariaceae) 0.01%
Violet odorata flower headspace Viola odorata L., fam. Violaceae 0.01%
Ribes sanguineum flower headspace Ribes sanguineum L., fam. Grossulariaceae 0.01%
Jasmine polyanthum flower headspace Jasminum polyanthum L., fam. Oleaceae 0.01%
Tulip sylvestre Tulipa sylvestris L., fam. Liliaceae 0.01%
Parsley leaf (Germany) 2a 8000-68-8 Petroselinum crispun (Miller) A.W. Hill cv Hamburger Schnitt,fam. Apiaceae 0.01%
Parsley leaf (Germany) 2b 800-68-8 Petroselinum crispun (Miller) A.W. Hill cv Mooskrause, fam. Apiaceae 0.01%
Rocket leaf 1 Eruca sativa L., fam. Brassicaceae 0.01%