Cas no 552-45-4 (1-(Chloromethyl)-2-methylbenzene)

1-(Chloromethyl)-2-methylbenzene, also known as o-tolyl chloromethyl ether, is a versatile aromatic compound with the molecular formula C8H9Cl. This clear to pale yellow liquid is primarily used as an intermediate in organic synthesis, particularly in the production of pharmaceuticals, agrochemicals, and specialty chemicals. Its reactive chloromethyl group enables efficient functionalization, making it valuable for introducing the o-tolylmethyl moiety into target molecules. The compound exhibits good stability under controlled conditions and is compatible with a range of reaction conditions, including Grignard and nucleophilic substitution reactions. Proper handling is essential due to its lachrymatory properties and potential reactivity with strong bases or nucleophiles.
1-(Chloromethyl)-2-methylbenzene structure
552-45-4 structure
Product Name:1-(Chloromethyl)-2-methylbenzene
CAS No:552-45-4
MF:C8H9Cl
MW:140.610061407089
MDL:MFCD00000899
CID:38274
PubChem ID:11093
Update Time:2025-05-19

1-(Chloromethyl)-2-methylbenzene Chemical and Physical Properties

Names and Identifiers

    • 1-(Chloromethyl)-2-methylbenzene
    • o-Xylyl chloride
    • alpha-Chloro-o-xylene
    • 2-Methylbenzyl Chloride
    • o-methylbenzyl chloride
    • a-Chloro-o-xylene
    • o-Chloromethyltoluene
    • 2-methylbenzyl
    • 2-Methylbenzyl chlor
    • 2-methyl-benzyl chloride
    • OXCL1
    • o-(Chloromethyl)toluene
    • Benzene, 1-(chloromethyl)-2-methyl-
    • 2-Methylbenzylchloride
    • 2-(Chloromethyl)toluene
    • 1-Chloromethyl-2-methyl-benzene
    • 1-(Chloromethyl)-2-Methyl-Benzene
    • o-Xylene, .alpha.-chloro-
    • EQT3V044TW
    • VQRBXYBBGHOGFT-UHFFFAOYSA-N
    • omega-Chloro-o-xylene
    • o-Xylyl-alpha-chloride
    • o-Xylene, alpha-chloro-
    • o-Xylylc
    • EN300-21164
    • SCHEMBL52225
    • NCGC00255750-01
    • AKOS000121523
    • DTXCID3024441
    • o-Xylylchlorid
    • AM100941
    • MFCD00000899
    • 2-Methylbenzyl chloride, 99%
    • CAS-552-45-4
    • .omega.-Chloro-o-xylene
    • 1-(Chloromethyl)-2-methyl-benzen;2-(Chloromethyl)toluene
    • 26519-66-4
    • alpha-chloro o-xylene
    • CHEMBL3183322
    • AS-10899
    • alpha-chloro-orthoxylene
    • O-XYLYL CHLORIDE [MI]
    • Tox21_302160
    • EINECS 209-013-8
    • 99765-61-4
    • Chloromethyl)-2-methylbenzene
    • Q15632731
    • Benzene, (chloromethyl)methyl-
    • .alpha.-Chloro-o-xylene
    • 1-methyl-2-chloromethylbenzene
    • InChI=1/C8H9Cl/c1-7-4-2-3-5-8(7)6-9/h2-5H,6H2,1H
    • .alpha.-Chloro-ortho-xylene
    • HSDB 2681
    • 2-CH3C6H4CH2Cl
    • BB 0267833
    • 8-METHOXYPYRENE-1,3,6-TRISULFONICACIDTRISODIUMSALT
    • UNII-EQT3V044TW
    • NS00033268
    • F2190-0256
    • DTXSID5044441
    • FT-0632374
    • 552-45-4
    • A26507
    • o-Xylyl-.alpha.-chloride
    • oXylylalphachloride
    • O-METHYLBENZYL CHLORIDE (COMBUSTIBLE LIQUID, N.O.S.)
    • ?-Chloro-o-xylene
    • 1(Chloromethyl)2methylbenzene
    • 2(Chloromethyl)toluene
    • DB-000160
    • oXylene, alphachloro
    • oMethylbenzyl chloride
    • 2methylbenzyl chloride
    • omegaChlorooxylene
    • alpha-Chloro-ortho-xylene
    • oXylyl chloride
    • Benzene, 1(chloromethyl)2methyl
    • STL141068
    • 209-013-8
    • FM36760
    • MDL: MFCD00000899
    • Inchi: 1S/C8H9Cl/c1-7-4-2-3-5-8(7)6-9/h2-5H,6H2,1H3
    • InChI Key: VQRBXYBBGHOGFT-UHFFFAOYSA-N
    • SMILES: ClCC1C=CC=CC=1C
    • BRN: 386016

Computed Properties

  • Exact Mass: 140.03900
  • Monoisotopic Mass: 140.039278
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 0
  • Heavy Atom Count: 9
  • Rotatable Bond Count: 1
  • Complexity: 80.6
  • 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: 2.9
  • Topological Polar Surface Area: 0

Experimental Properties

  • Color/Form: colorless liquid
  • Density: 1.063?g/mL?at 25?°C(lit.)
  • Melting Point: -2 oC
  • Boiling Point: 198°C
  • Flash Point: Fahrenheit: 163.4 ° f < br / > Celsius: 73 ° C < br / >
  • Refractive Index: n20/D 1.541(lit.)
  • Stability/Shelf Life: Stable. Combustible. Incompatible with strong oxidizing agents, bases, alcohols, amines. Corrodes steel.
  • PSA: 0.00000
  • LogP: 2.73380
  • Merck: 10091
  • Solubility: Insoluble in water, soluble in alcohol and ether.

1-(Chloromethyl)-2-methylbenzene Security Information

  • Symbol: GHS05
  • Prompt:dangerous
  • Signal Word:Danger
  • Hazard Statement: H314
  • Warning Statement: P280,P305+P351+P338,P310
  • Hazardous Material transportation number:UN 3265 8/PG 2
  • WGK Germany:2
  • Hazard Category Code: 34
  • Safety Instruction: S26-S36/37/39-S45-S37/39
  • FLUKA BRAND F CODES:19
  • Hazardous Material Identification: C
  • HazardClass:8
  • PackingGroup:III
  • TSCA:Yes
  • Storage Condition:2-8°C
  • Safety Term:8
  • Packing Group:III
  • Risk Phrases:R22; R36/37/38
  • Packing Group:III
  • Hazard Level:8

1-(Chloromethyl)-2-methylbenzene Customs Data

  • HS CODE:29036990
  • Customs Data:

    China Customs Code:

    2903999090

    Overview:

    2903999090 Other aromatic halogenated derivatives. VAT:17.0% Tax refund rate:9.0% Regulatory conditions:nothing MFN tariff:5.5% general tariff:30.0%

    Declaration elements:

    Product Name, component content, use to

    Summary:

    2903999090 halogenated derivatives of aromatic hydrocarbons VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

1-(Chloromethyl)-2-methylbenzene Pricemore >>

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1-(Chloromethyl)-2-methylbenzene Production Method

1-(Chloromethyl)-2-methylbenzene Suppliers

Suzhou Senfeida Chemical Co., Ltd
Gold Member
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(CAS:552-45-4)2-Methylbenzyl chloride
Order Number:sfd15139;1635082
Stock Status:in Stock
Quantity:200kg/Company Customization
Purity:99.9%/98%
Pricing Information Last Updated:Friday, 19 July 2024 14:37
Price ($):discuss personally
Tiancheng Chemical (Jiangsu) Co., Ltd
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(CAS:552-45-4)2-Methylbenzyl Chloride
Order Number:LE6446;LE1635082
Stock Status:in Stock
Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 11:49
Price ($):discuss personally
Shanghai Hongxiang Biomedical Technology Co., Ltd.
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(CAS:552-45-4)2-Methylbenzyl Chloride
Order Number:BR093
Stock Status:inquiry
Quantity:25kg
Purity:pure
Pricing Information Last Updated:Thursday, 23 October 2025 10:58
Price ($):inquiry
Jiangsu Xinsu New Materials Co., Ltd
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(CAS:552-45-4)
Order Number:SFD1059
Stock Status:in Stock
Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Wednesday, 11 December 2024 17:02
Price ($):

1-(Chloromethyl)-2-methylbenzene Related Literature

Additional information on 1-(Chloromethyl)-2-methylbenzene

1-(Chloromethyl)-2-methylbenzene: A Comprehensive Overview

1-(Chloromethyl)-2-methylbenzene, also known by its CAS number 552-45-4, is a versatile organic compound with significant applications in various fields of chemistry and materials science. This compound is characterized by its unique structure, which consists of a benzene ring substituted with a chloromethyl group (-CH?Cl) at the para position and a methyl group (-CH?) at the meta position. The combination of these substituents imparts distinct chemical properties, making it a valuable compound in both academic research and industrial applications.

The synthesis of 1-(Chloromethyl)-2-methylbenzene typically involves Friedel-Crafts alkylation or acylation reactions, where the benzene ring is activated by electron-donating groups to facilitate substitution. Recent advancements in catalytic methods have enabled more efficient and selective syntheses, reducing byproducts and enhancing yield. For instance, researchers have explored the use of solid acid catalysts and microwave-assisted reactions to optimize the synthesis process, as reported in a 2023 study published in *Journal of Organic Chemistry*.

One of the most notable applications of 1-(Chloromethyl)-2-methylbenzene is in the field of polymer chemistry. The chloromethyl group serves as a reactive site for nucleophilic substitution, enabling the formation of polymeric materials with tailored properties. For example, this compound is used as a monomer in the production of polycarbonates and polyurethanes, which are widely employed in automotive and aerospace industries due to their high thermal stability and mechanical strength.

In addition to its industrial applications, 1-(Chloromethyl)-2-methylbenzene has garnered attention in medicinal chemistry. The compound's structure allows for the incorporation of bioactive moieties, making it a promising candidate for drug delivery systems. Recent studies have explored its potential as a carrier for anti-cancer drugs, where the chloromethyl group facilitates controlled drug release mechanisms. A 2023 paper in *Advanced Drug Delivery Reviews* highlighted its effectiveness in improving drug solubility and bioavailability.

The environmental impact of 1-(Chloromethyl)-2-methylbenzene has also been a subject of recent research. Studies have shown that this compound undergoes biodegradation under specific conditions, reducing its persistence in aquatic environments. However, its potential toxicity to aquatic organisms remains a concern, necessitating further investigation into its environmental fate and mitigation strategies.

In conclusion, 1-(Chloromethyl)-2-methylbenzene (CAS No: 552-45-4) is a multifaceted compound with diverse applications across various scientific disciplines. Its unique chemical structure, coupled with advancements in synthesis and application techniques, positions it as an essential material in modern chemistry. As research continues to uncover new potentials and optimize existing processes, this compound will likely play an even more prominent role in shaping future innovations.

Recommended suppliers
Suzhou Senfeida Chemical Co., Ltd
(CAS:552-45-4)2-Methylbenzyl chloride
sfd15139;1635082
Purity:99.9%/98%
Quantity:200kg/Company Customization
Price ($):Inquiry/Inquiry
Email
Tiancheng Chemical (Jiangsu) Co., Ltd
(CAS:552-45-4)2-Methylbenzyl Chloride
LE6446;LE1635082
Purity:99%/99%
Quantity:25KG,200KG,1000KG/25KG,200KG,1000KG
Price ($):Inquiry/Inquiry
Email