1,4-diiodo-2,5-dimethylbenzene

Modify Date: 2026-07-19 18:19:20

1,4-diiodo-2,5-dimethylbenzene Structure
1,4-diiodo-2,5-dimethylbenzene structure
Common Name 1,4-diiodo-2,5-dimethylbenzene
CAS Number 1124-08-9 Molecular Weight 357.95800
Density 2.154g/cm3 Boiling Point 306.2ºC at 760 mmHg
Molecular Formula C8H8I2 Melting Point 103-104ºC
MSDS N/A Flash Point 147.6ºC

 Names

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

Name 1,4-diiodo-2,5-dimethylbenzene
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 2.154g/cm3
Boiling Point 306.2ºC at 760 mmHg
Melting Point 103-104ºC
Molecular Formula C8H8I2
Molecular Weight 357.95800
Flash Point 147.6ºC
Exact Mass 357.87200
LogP 3.51260
Vapour Pressure 0.00142mmHg at 25°C
Index of Refraction 1.665
InChIKey WJYYUEQVECTILJ-UHFFFAOYSA-N
SMILES Cc1cc(I)c(C)cc1I

 MSDS

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

Name: 1 4-Diiodo-2 5-dimethylbenzene 97% Material Safety Data Sheet
Synonym: 2,5-Diiodo-1,4-xylen
CAS: 1124-08-9
Section 1 - Chemical Product MSDS Name:1 4-Diiodo-2 5-dimethylbenzene 97% Material Safety Data Sheet
Synonym:2,5-Diiodo-1,4-xylen

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
1124-08-9 1,4-Diiodo-2,5-dimethylbenzene 97% unlisted
Hazard Symbols: XI
Risk Phrases: 36/37/38

Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Irritating to eyes, respiratory system and skin.Light sensitive.
Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation. May be harmful if absorbed through the skin.
Ingestion:
May cause irritation of the digestive tract. May be harmful if swallowed.
Inhalation:
Causes respiratory tract irritation. May be harmful if inhaled.
Chronic:
Not available.

Section 4 - FIRST AID MEASURES
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Get medical aid. Wash mouth out with water.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:
Treat symptomatically and supportively.

Section 5 - FIRE FIGHTING MEASURES
General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or chemical foam.

Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container.

Section 7 - HANDLING and STORAGE
Handling:
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Storage:
Store in a cool, dry place. Do not store in direct sunlight. Store in a tightly closed container.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 1124-08-9: Personal Protective Equipment Eyes: Not available.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Solid
Color: white
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 103 - 104 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density:
Molecular Formula: C8H8I2
Molecular Weight: 358

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Not available.
Conditions to Avoid:
Incompatible materials, light.
Incompatibilities with Other Materials:
Oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide, hydrogen iodide, iodine, acrid smoke and fumes.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 1124-08-9 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
1,4-Diiodo-2,5-dimethylbenzene - Not listed by ACGIH, IARC, or NTP.

Section 12 - ECOLOGICAL INFORMATION


Section 13 - DISPOSAL CONSIDERATIONS
Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION

IATA
No information available.
IMO
No information available.
RID/ADR
No information available.

Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XI
Risk Phrases:
R 36/37/38 Irritating to eyes, respiratory system
and skin.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 37/39 Wear suitable gloves and eye/face
protection.
WGK (Water Danger/Protection)
CAS# 1124-08-9: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 1124-08-9 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 1124-08-9 is not listed on the TSCA inventory.
It is for research and development use only.


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
Risk Phrases R36/37/38
Safety Phrases S26-S37/39
HS Code 2903999090

 Synthetic Route

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

~96%

1,4-diiodo-2,5-dimethylbenzene Structure

1,4-diiodo-2,5-...

CAS#:1124-08-9

Learn More
Literature: Muraki, Takahito; Togo, Hideo; Yokoyama, Masataka Journal of Organic Chemistry, 1999 , vol. 64, # 8 p. 2883 - 2889

~%

1,4-diiodo-2,5-dimethylbenzene Structure

1,4-diiodo-2,5-...

CAS#:1124-08-9

Learn More
Literature: Mascarelli; Longo Gazzetta Chimica Italiana, 1941 , vol. 71, p. 297,299 Full Text Show Details Varma; Raman Journal of the Indian Chemical Society, 1935 , vol. 12, p. 343 Full Text Show Details Mascarelli; Longo Atti della Accademia Nazionale dei Lincei, Classe di Scienze Fisiche, Matematiche e Naturali, Rendiconti, 1937 , vol. <6> 26, p. 292,296 Gazzetta Chimica Italiana, 1938 , vol. 68, p. 121,127

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  2

DownStream  5

 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%

 1,4-diiodo-2,5-dimethylbenzeneBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: The chemical genetic matrix (CGM) dataset as reported in Wildenhain et al. (2015) Pre...
Source: 11924
Target: N/A
External Id: CGM data for Cell Systems paper Dec 2015
Total 1, Current Page 1 of 1
1

 Synonyms

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

2,5-Diiodo-1,4-xylene
1,4-diiodo-2,5-dimethyl benzene
2,5-diiodo-para-xylene
2,5-diiodo-1,4-dimethylbenzene
MFCD00829126
2,5-dimethyl-1,4-diiodobenzene
2,5-Diiodo-p-xylene

 1,4-diiodo-2,5-dimethylbenzene | FAQ

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

Q: What is the CAS number of 1,4-diiodo-2,5-dimethylbenzene?
A: CAS number of 1,4-diiodo-2,5-dimethylbenzene is 1124-08-9.
Q: What is the InChIKey of 1,4-diiodo-2,5-dimethylbenzene?
A: InChIKey of 1,4-diiodo-2,5-dimethylbenzene is WJYYUEQVECTILJ-UHFFFAOYSA-N.
Q: What English synonyms does 1,4-diiodo-2,5-dimethylbenzene have?
A: English synonyms of 1,4-diiodo-2,5-dimethylbenzene: 2,5-Diiodo-1,4-xylene, 1,4-diiodo-2,5-dimethyl benzene, 2,5-diiodo-para-xylene, 2,5-diiodo-1,4-dimethylbenzene, MFCD00829126, 2,5-dimethyl-1,4-diiodobenzene, 2,5-Diiodo-p-xylene.
Q: What is the safety information for 1,4-diiodo-2,5-dimethylbenzene?
A: Safety information for 1,4-diiodo-2,5-dimethylbenzene: S26-S37/39.
Q: What is the English name of 1,4-diiodo-2,5-dimethylbenzene?
A: The English name of 1,4-diiodo-2,5-dimethylbenzene is 1,4-diiodo-2,5-dimethylbenzene.
Q: What is the LogP of 1,4-diiodo-2,5-dimethylbenzene?
A: LogP of 1,4-diiodo-2,5-dimethylbenzene is 3.51260.
Q: What is the molecular formula of 1,4-diiodo-2,5-dimethylbenzene?
A: Molecular formula of 1,4-diiodo-2,5-dimethylbenzene is C8H8I2.
Q: What is the boiling point of 1,4-diiodo-2,5-dimethylbenzene?
A: Boiling point of 1,4-diiodo-2,5-dimethylbenzene is 306.2ºC at 760 mmHg.
Q: What is the melting point of 1,4-diiodo-2,5-dimethylbenzene?
A: Melting point of 1,4-diiodo-2,5-dimethylbenzene is 103-104ºC.
Q: What is the molecular weight of 1,4-diiodo-2,5-dimethylbenzene?
A: Molecular weight of 1,4-diiodo-2,5-dimethylbenzene is 357.95800.

 1,4-diiodo-2,5-dimethylbenzenefactory

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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