Cas no 4045-44-7 (1,2,3,4,5-pentamethylcyclopenta-1,3-diene)

1,2,3,4,5-pentamethylcyclopenta-1,3-diene structure
4045-44-7 structure
Product Name:1,2,3,4,5-pentamethylcyclopenta-1,3-diene
CAS No:4045-44-7
MF:C10H16
MW:136.234043121338
MDL:MFCD00001354
CID:44693
PubChem ID:77667
Update Time:2025-09-27

1,2,3,4,5-pentamethylcyclopenta-1,3-diene Chemical and Physical Properties

Names and Identifiers

    • 1,2,3,4,5-Pentamethylcyclopenta-1,3-diene
    • 1,2,3,4,5-Pentamethylcyclopentadiene
    • Pentamethylcyclopentadiene
    • 1,2,3,4,5-Pentamethyl-1,3-cyclopentadiene
    • Cyclopentadiene, 1,2,3,4,5-pentamethyl-
    • 1,3-Cyclopentadiene, pentamethyl-
    • WQIQNKQYEUMPBM-UHFFFAOYSA-N
    • 1,3-Cyclopentadiene, 1,2,3,4,5-pentamethyl-
    • NSC222823
    • PubChem20101
    • WQIQNKQYEUMPBM-UHFFFAOYSA-
    • SBB085953
    • ANW
    • 1,2,3,4,5-Pentamethyl-cyclopenta-1,3-diene
    • EINECS 223-743-4
    • EN300-180073
    • DSE3MRZ77C
    • 1,2,3,4,5-Pentamethylcyclopentadiene, 95%
    • DTXSID00193466
    • UNII-DSE3MRZ77C
    • FT-0606177
    • NSC-222823
    • MFCD00001354
    • P1292
    • InChI=1/C10H16/c1-6-7(2)9(4)10(5)8(6)3/h6H,1-5H3
    • BS-16710
    • 1,2,3,4,5-Pentamethylcyclopentadiene, technical, >=94.0% (GC)
    • A825115
    • 4045-44-7
    • Q1927394
    • AKOS015950699
    • NS00030795
    • AMY6945
    • NSC 222823
    • DB-009421
    • 51330-60-0
    • 1,2,3,4,5-pentamethyl-2,4-cyclopentadien-1-yl
    • DTXSID50579236
    • 1,2,3,4,5-pentamethylcyclopenta-1,3-diene
    • MDL: MFCD00001354
    • Inchi: 1S/C10H16/c1-6-7(2)9(4)10(5)8(6)3/h6H,1-5H3
    • InChI Key: WQIQNKQYEUMPBM-UHFFFAOYSA-N
    • SMILES: C1(C)C(C)=C(C)C(C)=C1C
    • BRN: 1849832

Computed Properties

  • Exact Mass: 136.12500
  • Monoisotopic Mass: 136.125
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 0
  • Heavy Atom Count: 10
  • Rotatable Bond Count: 0
  • Complexity: 192
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Tautomer Count: nothing
  • XLogP3: 1.9
  • Topological Polar Surface Area: 0

Experimental Properties

  • Color/Form: Colorless liquid
  • Density: 0.87?g/mL?at 25?°C(lit.)
  • Melting Point: 236 oC
  • Boiling Point: 60°C/14mmHg(lit.)
  • Flash Point: Fahrenheit: 111.2 ° f
    Celsius: 44 ° c
  • Refractive Index: n20/D 1.474(lit.)
  • Water Partition Coefficient: Miscible with methanol. dichloromethane and ethyl acetate. Slightly miscible with water.
  • Stability/Shelf Life: store cold
  • PSA: 0.00000
  • LogP: 3.30890
  • Sensitiveness: Light Sensitive

1,2,3,4,5-pentamethylcyclopenta-1,3-diene Security Information

  • Symbol: GHS02
  • Prompt:warning
  • Signal Word:Warning
  • Hazard Statement: H226
  • Warning Statement: P210-P233-P240-P241+P242+P243-P280-P303+P361+P353-P370+P378-P403+P235-P501
  • Hazardous Material transportation number:UN 3295 3/PG 3
  • WGK Germany:3
  • Hazard Category Code: 10
  • Safety Instruction: S16
  • FLUKA BRAND F CODES:9-23
  • Hazardous Material Identification: Xn
  • HazardClass:3
  • PackingGroup:III
  • Safety Term:3
  • Packing Group:III
  • Risk Phrases:R10
  • Storage Condition:?20°C

1,2,3,4,5-pentamethylcyclopenta-1,3-diene Customs Data

  • HS CODE:29021990
  • Customs Data:

    China Customs Code:

    2902199090

    Overview:

    2902199090 Other naphthenic hydrocarbons\Cyclic olefins and cyclic terpenes.Regulatory conditions:nothing.VAT:17.0%.Tax refund rate:9.0%.MFN tariff:2.0%.general tariff:30.0%

    Declaration elements:

    Product Name, component content

    Summary:

    2902199090 other cyclanes, cyclenes and cyclotherpenes.Supervision conditions:None.VAT:17.0%.Tax rebate rate:9.0%.MFN tariff:2.0%.General tariff:30.0%

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1,2,3,4,5-pentamethylcyclopenta-1,3-diene Production Method

1,2,3,4,5-pentamethylcyclopenta-1,3-diene Suppliers

Tiancheng Chemical (Jiangsu) Co., Ltd
Gold Member
Audited Supplier Audited Supplier
(CAS:4045-44-7)1,2,3,4,5-Pentamethylcyclopentadiene
Order Number:LE17174
Stock Status:in Stock
Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 12:15
Price ($):discuss personally

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Tiancheng Chemical (Jiangsu) Co., Ltd
(CAS:4045-44-7)1,2,3,4,5-Pentamethylcyclopentadiene
LE17174
Purity:99%
Quantity:25KG,200KG,1000KG
Price ($):Inquiry
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