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Iodine powder.

34 Inquiries

Unit Price:

$100/KG FOB

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CAS No.:

7553-56-2

Grade:

Industrial Grade

Content:

99.9%

Port:

SHANGHAI PORT

Brand:

Dideu

Packaging:

5KG/BAG

Price valid (until):

2029-07-05

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Shaanxi Dideu Medichem Co. Ltd

Company Type:

Manufactory

Location:

China

Qualification:

Main Products:

Chemical Pesticides,Food Additives,Agrochemicals,Active Pharm Ingredients,Flavors and Fragrances,Chemical Catalyst

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Product Description
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Description

# Iodine (CAS 7553-56-2) ### Basic Information Chemical Name: Iodine Molecular Formula: I₂ Molecular Weight: 253.809 g/mol CAS Registry Number: 7553-56-2 EINECS Number: 231-442-4 ### Physical and Chemical Properties Iodine is a **dark grayish-black, lustrous crystalline solid** at room temperature and atmospheric pressure, with a characteristic pungent odor. It has a melting point of 113.7 °C and a boiling point of 184.3 °C, and is slightly soluble in water (0.03 g/100 mL at 20 °C) while highly soluble in organic solvents such as ethanol, ether and carbon tetrachloride, as well as in aqueous potassium iodide solutions (forming soluble triiodide ions I₃⁻). It sublimes easily upon heating to form violet-colored iodine vapor, and the vapor condenses back into solid crystals upon cooling, a property known as **sublimation and deposition**. Iodine is a halogen element with moderate oxidizing properties, reacting with most metals and nonmetals under appropriate conditions. ### Main Applications 1. **Pharmaceutical & Sanitary Field**: A key raw material for preparing iodine tincture, iodophor and other disinfectants; an essential trace element for the human body, used in the production of iodine supplements and thyroid disease therapeutic drugs. 2. **Chemical Synthesis**: Serves as an oxidant, catalyst and iodinating agent in organic synthesis, widely applied in the production of fine chemicals, pesticides, dyes and pharmaceutical intermediates. 3. **Feed & Food Industry**: As an iodine additive in feed to prevent iodine deficiency in livestock and poultry; used in food fortification (e.g., iodized salt) and food preservatives. 4. **Industrial & Laboratory Use**: Applied in the manufacture of photographic materials, polarizing films and iodine-based reagents; a common analytical reagent in chemical laboratories for titration and qualitative analysis. 5. **Other Fields**: Used in the production of semiconductor materials, water treatment agents and leather tanning auxiliaries. ### Storage and Handling Notes Store in a **cool, dry, well-ventilated sealed container**, away from heat, open flame and oxidizing agents; avoid contact with skin and mucous membranes, as iodine vapor and solutions have irritant and corrosive effects on the human body. Operate with appropriate personal protective equipment (PPE) such as goggles and nitrile gloves.

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Items	Specifications

Basic Info

Product Name:

Iodine

Other Name:

Iodine;Iodine crystals;Iodine sublimed;Iodine colloidal;Eranol;Iodine (127I2);Molecular iodine;Iosan Superdip;Actomar;Diiodine;Jodosan;Diatomic iodine;Iodine molecule (I2);Iodel FD;NSC 42355;Tegodyne;DentaPure DP 90;eXIA 160;Iodosteryl;Biojodis;Yoddar;8012-81-5;8012-85-9;8031-47-8;24503-90-0

CAS No.:

7553-56-2

Molecular Formula:

InChIKeys:

InChIKey=PNDPGZBMCMUPRI-UHFFFAOYSA-N

Molecular Weight:

253.81

Exact Mass:

253.81

EC Number:

231-442-4

UNII:

9679TC07X4

ICSC Number:

0167

NSC Number:

42355

UN Number:

3495|3085

DSSTox ID:

DTXSID7034672

NCI Thesaurus Code:

C594

Color/Form:

Bluish-black scales or plates; diatomic; violet vapor|Rhombic, violet-black crystals with metallic luster|Bluish-black, lustrous solid|Violet solid.|Heavy, grayish-black plates or granules having a metallic luster

ATC Code:

D - Dermatologicals

HScode:

28012000

Categories:

Characteristics

PSA:

XLogP3:

1.7

Appearance:

Red-brown particles (round)

Density:

4.9 g/cm³

Melting Point:

113.7 °C

Boiling Point:

184.4 °C @ Press: 800 Torr

Flash Point:

<10℃

Refractive Index:

Index of refraction: 3.34

Water Solubility:

H2O: 0.3 g/L (20 ºC).Miscible with chloroform, carbon tetrachloride, carbon disulfide, cyclohexane, methanol, ethyl acetate, toluene, benzene, n-hexane, butan-2-ol, bromoethane, n-heptane, glycerol and diethyl ether.

Storage Conditions:

Store at RT.

Vapor Pressure:

0.31 mm Hg ( 25 °C)

Vapor Density:

9 (vs air)

Toxicity:

Oral-rat LD50: 14000mg/kg; Oral-Mouse LD50: 22000 mg/kg

Flammability characteristics:

Reacts with reducing agents; high temperature produces toxic fumes; burning produces toxic iodide fumes

Odor:

Sharp characteristic odor.

Taste:

Sharp, acrid

Experimental Properties:

Only one stable isotope, Iodine-127, is found in nature.|Heat capacity (constant pressure): 13.011 cal/mole/deg C (25 °C)|Naturally occuring stable isotope (mass number): 127 (1005); known artificial isotopes: 108 to 141; commonly used radioactive tracer elements: 123 (half-life 13.27 hours, electron capture decay), 125 (half-life 59.408 days, electron capture decay), 129 (half-life 1.57X10+7 years, beta decay), 131 (half-life 8.02070 days, beta(-) decay)|Dissolves in iodide solutions to form triiodides such as sodium triiodide & potassium triiodide.|For more Other Experimental Properties (Complete) data for IODINE, ELEMENTAL (9 total), please visit the HSDB record page.

Air and Water Reactions:

No rapid reaction with air No rapid reaction with water

Reactive Group:

Oxidizing Agents, Weak

Reactivity Profile:

IODINE is an oxidizing agent. Reacts vigorously with reducing materials. Incompatible with powdered metals in the presence of water (ignites), with gaseous or aqueous ammonia (forms explosive products), with acetylene (reacts explosively), with acetaldehyde (violent reaction), with metal azides (forms yellow explosive iodoazides), with metal hydrides (ignites), with metal carbides (ignites easily), with potassium and sodium (forms shock-senstive explosive compounds) and with alkali-earth metals (ignites). Incompatible with ethanol, formamide, chlorine, bromine, bromine trifluoride, chlorine trifluoride.

Ionization Potential:

9.31 eV

Flammable Limits:

Noncombustible Solid

Physical Dangers:

The substance readily sublimes.

Corrosivity:

Vapor is corrosive

Heat of Vaporization:

164.45 J/g

Critical Temperature & Pressure:

Critical temperature: 546 °C; Critical pressure: 11.6 MPa

See More Iodine Properties 

Hazard Identification

Classification of the substance or mixture

Acute toxicity - Category 4, Dermal

Acute toxicity - Category 4, Inhalation

Hazardous to the aquatic environment, short-term (Acute) - Category Acute 1

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Warning
Hazard statement(s)	H312 Harmful in contact with skin H332 Harmful if inhaled H400 Very toxic to aquatic life
Prevention	P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment.
Response	P302+P352 IF ON SKIN: Wash with plenty of water/... P317 Get medical help. P321 Specific treatment (see ... on this label). P362+P364 Take off contaminated clothing and wash it before reuse. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P391 Collect spillage.
Storage	none
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

NO contact with flammables. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Separated from incompatible materials. See Chemical Dangers. Well closed. Ventilation along the floor.Materials which are toxic as stored or which can decompose into toxic components ... Should be stored in a cool, well-ventilated place, out of the direct rays of the sun, away from areas of high fire hazard, and should be periodically inspected. Incompatible materials should be isolated .

See More Iodine Safety Data Sheet 

Seller Information

Business Type:
Manufactory

Main Products:
Chemical Pesticides,Food Additives,Agrochemicals,Active Pharm Ingredients,Flavors and Fragrances,Chemical Catalyst

Location:
https://www.dideu.com/en/

Payment Terms:
TT against copy of documents,D/P,L/C,D/A,O/A,TT against B/L draft before shipment,100% TT in advance

Average lead Time:
7

Total Annual Revenue:
Above $100 million

Total Employees:
Above 1000

Year of Establishment:
2016

Certifications:
ISO Certificate,REACH

Company Profile

Inquiry History

34 Inquiries

Country	Product	Purchase Quantity	Date Posted
India	Iodine	100 MT	Sep 29, 2025
India	IODINE	50 MT	Nov 18, 2024
United Arab Emirates	Iodine	500 TON	Mar 7, 2025
United States	Iodine Crystal Powder	1 MT	May 12, 2026
Russia	Crystal iodine	2400 KG	Oct 31, 2023
India	IODINE PURE	3 MT	Apr 18, 2026
Bangladesh	Iodine powder	1.00 KG	Feb 6, 2026
Turkey	Iodine Prills (≥99.8%)	200 KG	Oct 7, 2025
United Kingdom	Iodine	1 MT	Aug 10, 2025
India	IODINE PRILLS	10 MT	Jul 8, 2025
Pakistan	Iodine Crystal	1 TON	Jun 27, 2025
France	Iodine Powder	120 TON	Jun 10, 2025
Czech	Iodine	5 KG	Nov 4, 2024
Saudi Arabia	Iodine	20 TON	Aug 14, 2024
United States	Iodine crystals	1 KG	May 24, 2026
United States	Elemental Iodine	3 KG	Apr 22, 2026
United Arab Emirates	Iodine	5000 KG	Mar 6, 2026
United States	Iodine	100 KG	Feb 27, 2026
Malaysia	Elemental Iodine Crystals Ar Grade	5 MT	Feb 4, 2026
India	Iodine	50000 KG	Jan 9, 2026

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