1,4-Dichlorobenzene

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  • Identifiers

    CAS number
    106-46-7

    Molecular formula
    C6H4Cl2

    SMILES
    C1=CC(=CC=C1Cl)Cl

    Safety labels

    Health Hazard
    Health

    Environmental Hazard
    Environmental

  • Odor profile

    floral 64.75%
    sweet 42.86%
    phenolic 39.29%
    animal 36.68%
    woody 35.59%
    rose 34.87%
    green 29.16%
    musty 26.18%
    fruity 25.95%
    medicinal 25.21%

    Scent© AI

    Odor threshold>

    • Odor Threshold Low: 0.12 [mmHg]. Odor Threshold High: 15.0 [mmHg]. Detection odor threshold from AIHA (mean = 0.12 ppm)

  • Properties

    XLogP3-AA
    3.4

    Molecular weight
    147.0 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Very fast

    Melting point expt.

    • 127 °F (NTP, 1992)
    • 53 °C
    • 53.1 °C
    • 52.7 °C
    • 128 °F

    Boiling point

    • 345 °F at 760 mmHg (NTP, 1992)
    • 173.9 °C
    • 174 °C
    • 345 °F

    Flash point expt.

    • 150 °F (NTP, 1992)
    • 66.0 °C (150.8 °F) - closed cup
    • 150 °F (66 °C) (closed cup)
    • 66 °C c.c.
    • 150 °F

    Solubility expt.

    • less than 1 mg/mL at 73 °F (NTP, 1992)
    • In water, 81.3 mg/L at 25 °C
    • Practically insoluble in water
    • Soluble in chloroform, carbon disulfide, benzene, ether, alcohol
    • Miscible with ethanol, acetone, benzene; soluble in ethyl ether, chloroform
    • 0.0813 mg/mL at 25 °C
    • Solubility in water, mg/l at 20 °C: 49 (practically insoluble)
    • 0.008%

  • Synonyms

    • 1,4-DICHLOROBENZENE
    • 106-46-7
    • p-Dichlorobenzene
    • paradichlorobenzene
    • Paracide
    • Paramoth
    • para-Dichlorobenzene
    • Paranuggets
    • Santochlor
    • Paradow
    • Evola
    • Persia-perazol
    • Benzene, 1,4-dichloro-
    • p-Dichlorobenzol
    • p-Chlorophenyl chloride
    • Globol
    • Paradi
    • p-Dichlorbenzol
    • Para crystals
    • Dichlorocide
    • Di-chloricide
    • Paradichlorbenzol
    • p-Diclorobenzene
    • p-Dichloorbenzeen
    • Paradichlorobenzol
    • PDCB
    • 1,4-Dichloorbenzeen
    • 1,4-Dichlor-benzol
    • dichloricide
    • 1,4-Diclorobenzene
    • Benzene, p-dichloro-
    • 1,4-dichloro-benzene
    • Parazene
    • Para-zene
    • RCRA waste number U070
    • 4-Dichlorobenzene
    • Dichlorobenzene, p-
    • RCRA waste number U071
    • RCRA waste number U072
    • Kaydox
    • p-DCB
    • Caswell No. 632
    • NCI-C54955
    • p-Dichlorbenzol [German]
    • 1,4-chlorobenzene
    • p-Dichloorbenzeen [Dutch]
    • Paradichlorbenzol [German]
    • p-Diclorobenzene [Italian]
    • CCRIS 307
    • 1,4-Dichloorbenzeen [Dutch]
    • NSC 36935
    • 1,4-Dichlor-benzol [German]
    • 1,4-Diclorobenzene [Italian]
    • HSDB 523
    • p-Dichlorbenzene
    • p-dichloro-benzene
    • EINECS 203-400-5
    • PDB
    • D149TYB5MK
    • EPA Pesticide Chemical Code 061501
    • Dichlorobenzene, para
    • AI3-0050
    • DTXSID1020431
    • CHEBI:28618
    • 1, 4-Dichlorobenzene
    • AI3-00050
    • MFCD00000604
    • NSC-36935
    • 1,3-Cyclohexadien-5-yne,1,4-dichloro-
    • DTXCID30431
    • P-DICHLOROBENZENE [MI]
    • CHEMBL190982
    • EC 203-400-5
    • PARADICHLOROBENZENE [VANDF]
    • PARADICHLOROBENZENE [MART.]
    • NSC36935
    • 1,4-DICHLOROBENZENE [HSDB]
    • PARADICHLOROBENZENE [WHO-DD]
    • NCGC00094540-01
    • p-Dichlorbenzol (German)
    • p-Dichloorbenzeen (Dutch)
    • Paradichlorbenzol (German)
    • p-Diclorobenzene (Italian)
    • 1,4-Dichloorbenzeen (Dutch)
    • 1,4-Dichlor-benzol (German)
    • 1,4-Diclorobenzene (Italian)
    • PARADICHLOROBENZENE (MART.)
    • 1,4-DICHLOROBENZENE, (SOLID)
    • 1,4-DICHLOROBENZENE, [SOLID]
    • CAS-106-46-7
    • 1,4 dichlorobenzene
    • RCRA waste no. D027
    • RCRA waste no. U072
    • UNII-D149TYB5MK
    • diclorobenzene
    • p-dichlorobenzen
    • para-DCB
    • 1,4dichlorobenzene
    • Benzene,4-dichloro-
    • Caswell No 632
    • 1,4-Dichlor-B
    • Dichlorobenzene, solid
    • Spectrum_001891
    • SpecPlus_000512
    • Benzene, 1,4-dichloro-, radical ion(1-)
    • Spectrum2_001869
    • Spectrum3_000846
    • Spectrum4_000686
    • Spectrum5_002008
    • p-Dichlorbenzol(GERMAN)
    • para-Chlorophenyl chloride
    • p-Dichloorbenzeen(DUTCH)
    • WLN: GR DG
    • p-Diclorobenzene(ITALIAN)
    • Dichlorobenzene, p-, solid
    • SCHEMBL5191
    • BSPBio_002431
    • KBioGR_001151
    • KBioSS_002421
    • SPECTRUM330055
    • 1,4-Dichlorobenzene (MAK)
    • BIDD:ER0278
    • DivK1c_006608
    • Pesticide Code: 061501.
    • SPBio_001718
    • 1, 4-Dichloorbenzeen(DUTCH)
    • 1,4-Dichlor-benzol(GERMAN)
    • 1,4-Diclorobenzene(ITALIAN)
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