1,2-Dichloroethylene

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  • Identifiers

    CAS number
    540-59-0

    Molecular formula
    C2H2Cl2

    SMILES
    C(=CCl)Cl

    Safety labels

    Flammable
    Flammable

    Irritant
    Irritant

  • Odor profile

    pungent 45.57%
    green 41.68%
    radish 29.87%
    vegetable 26.9%
    fishy 26.84%
    sulfurous 26.02%
    alliaceous 24.6%
    garlic 23.98%
    gassy 23.25%
    onion 23.06%

    Scent© AI

    Odor threshold>

    • Odor Threshold Low: 0.08 [mmHg]. Odor Threshold High: 17.0 [mmHg]. Odor threshold from "Quick Guide: The Electronic NIOSH Pocket Guide to Chemical Hazards"

  • Properties

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

    Molecular weight
    96.94 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra fast

    Melting point expt.

    • -71 °F (NTP, 1992)
    • -57 °C
    • -57 to -115 °F

    Boiling point

    • 118 to 140 °F at 760 mmHg (NTP, 1992)
    • 55 °C
    • 118-140 °F

    Flash point expt.

    • 39 °F (NTP, 1992)
    • 2 °C
    • 6 °C (43 °F) - closed cup
    • 36 °F (2 °C) - closed cup
    • 2 °C c.c.
    • 36-39 °F

    Solubility expt.

    • less than 1 mg/mL at 70 °F (NTP, 1992)
    • In water, 3.50X10+3 mg/L at 25 °C
    • Insoluble in water
    • Soluble in alcohol, ether, and most other organic solvents
    • Soluble in most organic solvents
    • Solubility in water: poor
    • 0.4%

  • Synonyms

    • 1,2-Dichloroethylene
    • 540-59-0
    • Ethene, 1,2-dichloro-
    • 1,2-DICHLOROETHYLENE, (MIXED ISOMERS)
    • 1,2-Dichloroethene
    • Dioform
    • Acetylene dichloride
    • sym-Dichloroethylene
    • 1,2-Dichlor-aethen
    • Dichloro-1,2-ethylene
    • Ethylene, 1,2-dichloro-
    • NCI-C56031
    • 1,2-Dichlor-aethen [German]
    • CCRIS 6227
    • HSDB 149
    • DTXSID8024991
    • Dichloro-1,2-ethylene [French]
    • XU9RUA6YUT
    • EINECS 208-750-2
    • 1,2-Dichloroethylene,c&t
    • BRN 1719345
    • CHEBI:18882
    • 2-01-00-00158 (Beilstein Handbook Reference)
    • 1,2-Dichloroethylene (cis & trans)
    • 1,2-Dichloroethene,c&t
    • 1,2-Dichlor-aethen (German)
    • 1,2-DICHLOROETHYLENE (MIXTURE OF CIS AND TRANS)
    • Dichloro-1,2-ethylene (French)
    • 1,2-Dichloraethen
    • 1,2-DICHLOROETHENE (USP-RS)
    • 1,2-DICHLOROETHENE [USP-RS]
    • 1,2-Dichloroethene #
    • UNII-XU9RUA6YUT
    • DTXCID304991
    • 1,2-Dichloroethylene, all isomers
    • chlorovinyl chloride
    • Ethylene, 1,2-dichloro- (8CI); 1,2-Dichloroethene; 1,2-Dichloroethylene; Acetylene dichloride; Dioform; sym-Dichloroethylene
    • sym-1,2-Dichloroethylene
    • symmetrical Dichloroethylene
    • 1,2-DichlorA currencythylen
    • Acetylene dichloride (OSHA)
    • 1,2-Dichloroethylene, sym-
    • cis-/trans-1,2-Dichloroethene
    • cis,trans-1,2-Dichloroethylene
    • CHEMBL1385560
    • ACETYLENE DICHLORIDE [MI]
    • cs & trans 1,2-Dichloroethylene
    • cis & trans 1,2-Dichloroethylene
    • 1,2-DICHLOROETHYLENE [HSDB]
    • 1,2-Dichloroethylene (ACGIH:OSHA)
    • AKOS025243626
    • AT37401
    • MSK001094-1000M
    • NCGC00091531-01
    • NS00008258
    • 1,2-DICHLOROETHYLENE (MIXED ISOMERS)
    • Q161475
    • 1,2-Dichloroethylene Solution in Methanol, 1000ug/mL
    • 208-750-2
1 4

IFRA Standard 51

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