4-Chloro-1-iodo-2-methylbenzene

Modify Date: 2026-08-31 16:57:39

4-Chloro-1-iodo-2-methylbenzene Structure
4-Chloro-1-iodo-2-methylbenzene structure
Common Name 4-Chloro-1-iodo-2-methylbenzene
CAS Number 23399-70-4 Molecular Weight 252.480
Density 1.8±0.1 g/cm3 Boiling Point 240.0±0.0 °C at 760 mmHg
Molecular Formula C7H6ClI Melting Point N/A
MSDS N/A Flash Point 101.7±21.8 °C

 Use of 4-Chloro-1-iodo-2-methylbenzene




 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 4-chloro-1-iodo-2-methylbenzene
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.8±0.1 g/cm3
Boiling Point 240.0±0.0 °C at 760 mmHg
Molecular Formula C7H6ClI
Molecular Weight 252.480
Flash Point 101.7±21.8 °C
Exact Mass 251.920258
LogP 4.23
Vapour Pressure 0.1±0.4 mmHg at 25°C
Index of Refraction 1.617
InChIKey ZZNUQVQAJVZRKW-UHFFFAOYSA-N
SMILES Cc1cc(Cl)ccc1I

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

Material Safety Data Sheet

Section1. Identification of the substance
5-Chloro-2-iodotoluene
Product Name:
Synonyms:4-Chloro-1-iodo-2-methylbenzene

Section2. Hazards identification
Harmful by inhalation, in contact with skin, and if swallowed.
H315:Causes skin irritation
H319:Causes serious eye irritation
H335:May cause respiratory irritation
P261:Avoid breathing dust/fume/gas/mist/vapours/spray
Wear protective gloves/protective clothing/eye protection/face protection
P280:
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present
and easy to do – continue rinsing
P304+P340:IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
P405:Store locked up

Section3. Composition/information on ingredients.
5-Chloro-2-iodotoluene
Ingredient name:
CAS number:23399-70-4

Section4. First aid measures
Immediately wash skin with copious amounts of water for at least 15 minutes while removing
Skin contact:
contaminated clothing and shoes. If irritation persists, seek medical attention.
Eye contact:Immediately wash skin with copious amounts of water for at least 15 minutes. Assure adequate
flushing of the eyes by separating the eyelids with fingers. If irritation persists, seek medical
attention.
Inhalation:Remove to fresh air. In severe cases or if symptoms persist, seek medical attention.
Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention.
Ingestion:

Section5. Fire fighting measures
In the event of a fire involving this material, alone or in combination with other materials, use dry
powder or carbon dioxide extinguishers. Protective clothing and self-contained breathing apparatus
should be worn.

Section6. Accidental release measures
Personal precautions: Wear suitable personal protective equipment which performs satisfactorily and meets local/state/national
standards.
Respiratory precaution:Wear approved mask/respirator
Hand precaution:Wear suitable gloves/gauntlets
Skin protection:Wear suitable protective clothing
Eye protection:Wear suitable eye protection
Methods for cleaning up: Mix with sand or similar inert absorbent material, sweep up and keep in a tightly closed container
for disposal. See section 12.
Environmental precautions: Do not allow material to enter drains or water courses.

Section7. Handling and storage
Handling:This product should be handled only by, or under the close supervision of, those properly qualified
in the handling and use of potentially hazardous chemicals, who should take into account the fire,
health and chemical hazard data given on this sheet.
Storage:Store in closed vessels, refrigerated.

Section8. Exposure Controls / Personal protection
Engineering Controls: Use only in a chemical fume hood.
Personal protective equipment: Wear laboratory clothing, chemical-resistant gloves and safety goggles.
General hydiene measures: Wash thoroughly after handling. Wash contaminated clothing before reuse.

Section9. Physical and chemical properties
Not specified
Appearance:
Boiling point:No data
Melting point:No data
Flash point:No data
Density:No data
Molecular formula:C7H6ClI
Molecular weight:252.5

Section10. Stability and reactivity
Conditions to avoid: Heat, flames and sparks.
Materials to avoid: Oxidizing agents.
Possible hazardous combustion products: Carbon monoxide, hydrogen chloride, hydrogen Iodide.

Section11. Toxicological information
No data.

Section12. Ecological information
No data.

Section13. Disposal consideration
Arrange disposal as special waste, by licensed disposal company, in consultation with local waste
disposal authority, in accordance with national and regional regulations.

Section14. Transportation information
Non-harzardous for air and ground transportation.

Section15. Regulatory information
No chemicals in this material are subject to the reporting requirements of SARA Title III, Section
302, or have known CAS numbers that exceed the threshold reporting levels established by SARA
Title III, Section 313.


SECTION 16 - ADDITIONAL INFORMATION
N/A

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Hazard Codes Xi: Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36/37/39
HS Code 2903999090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~%

4-Chloro-1-iodo-2-methylbenzene Structure

4-Chloro-1-iodo...

CAS#:23399-70-4

Learn More
Literature: Journal of the Indian Chemical Society, , vol. 11, p. 293

~91%

4-Chloro-1-iodo-2-methylbenzene Structure

4-Chloro-1-iodo...

CAS#:23399-70-4

Learn More
Literature: Tetrahedron, , vol. 67, # 39 p. 7461 - 7469

~%

4-Chloro-1-iodo-2-methylbenzene Structure

4-Chloro-1-iodo...

CAS#:23399-70-4

Learn More
Literature: Justus Liebigs Annalen der Chemie, , vol. 156, p. 72,77

~%

4-Chloro-1-iodo-2-methylbenzene Structure

4-Chloro-1-iodo...

CAS#:23399-70-4

Learn More
Literature: Justus Liebigs Annalen der Chemie, , vol. 156, p. 72,77

~%

Detail Learn More
Literature: Journal of the Indian Chemical Society, , vol. 11, p. 293

~%

Detail Learn More
Literature: Journal of the Indian Chemical Society, , vol. 11, p. 293

 Preparation

This table records publicly available preparation methods, process key points and operation references.


 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2903999090
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%

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

2-methyl-4-chloroiodobenzene
4-chloro-1-iodo-2-methyl-benzene
2-iodo-5-chlorotoluene
4-Chlor-1-jod-2-methyl-benzol
4-Chloro-1-iodo-2-methylbenzene
5-Chloro-2-Iodotoluene
MFCD00060665
benzene,4-chloro-1-iodo-2-methyl
4-chloro-2-methyl-iodobenzene

 4-Chloro-1-iodo-2-methylbenzene | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What are the upstream materials of 4-chloro-1-iodo-2-methylbenzene?
A: Related upstream materials(CAS) of 4-chloro-1-iodo-2-methylbenzene: 108-41-8;88-72-2;95-69-2;7553-56-2;7697-37-2;64-19-7;7664-93-9.
Q: What is the SMILES notation of 4-chloro-1-iodo-2-methylbenzene?
A: SMILES notation of 4-chloro-1-iodo-2-methylbenzene is Cc1cc(Cl)ccc1I.
Q: What are the downstream products of 4-chloro-1-iodo-2-methylbenzene?
A: Related downstream products(CAS) of 4-chloro-1-iodo-2-methylbenzene: 66192-24-3;82386-91-2;13421-00-6.
Q: What is the English name of 4-chloro-1-iodo-2-methylbenzene?
A: The English name of 4-chloro-1-iodo-2-methylbenzene is 4-chloro-1-iodo-2-methylbenzene.
Q: What is the InChIKey of 4-chloro-1-iodo-2-methylbenzene?
A: InChIKey of 4-chloro-1-iodo-2-methylbenzene is ZZNUQVQAJVZRKW-UHFFFAOYSA-N.
Q: What is the safety information for 4-chloro-1-iodo-2-methylbenzene?
A: Safety information for 4-chloro-1-iodo-2-methylbenzene: S26-S36/37/39.
Q: What is the LogP of 4-chloro-1-iodo-2-methylbenzene?
A: LogP of 4-chloro-1-iodo-2-methylbenzene is 4.23.
Q: What is the CAS number of 4-chloro-1-iodo-2-methylbenzene?
A: CAS number of 4-chloro-1-iodo-2-methylbenzene is 23399-70-4.
Q: What is the molecular weight of 4-chloro-1-iodo-2-methylbenzene?
A: Molecular weight of 4-chloro-1-iodo-2-methylbenzene is 252.480.
Q: How is 4-chloro-1-iodo-2-methylbenzene prepared?
A: Preparation method for 4-chloro-1-iodo-2-methylbenzene: .

 4-Chloro-1-iodo-2-methylbenzenefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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