Pure Chromium powder granule 99.99% Metal Basis Cr Element 99.99% powder scjc
2 Inquiries
7440-47-3
Industrial Grade
99.99%
Shenzhen/Wuhan
scjc
1kg/bag or customized
2024-01-01
Bismuth,Tellurium,Telluride,Antimonide,Oxide,Sulfide
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Product Description
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Seller Information
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Inquiry History
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DescriptionBasic Info
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Product Name:
Chromium
Other Name:Chromium;Chrome;Chromium element;Alpaste RRA 030;Alpaste RRA 050;Sun Ti-Cr;BioChrome;BioChrome (feed additive);Dinakrome;SunshineBabe D 9;188785-87-7;195161-82-1
CAS No.:7440-47-3
Molecular Formula:Cr
InChIKeys:InChIKey=VYZAMTAEIAYCRO-UHFFFAOYSA-N
Molecular Weight:52
Exact Mass:51.94050
EC Number:231-157-5
UNII:0R0008Q3JB
ICSC Number:0029
UN Number:1759|3089
DSSTox ID:DTXSID3031022
NCI Thesaurus Code:C370
Color/Form:Steel-gray, lustrous metal; body-centered cubic structure|Blue-white to steel-gray, lustrous, brittle, hard solid|Hard, brittle, semigray metal
HScode:8112210000
Categories:
Characteristics-
PSA:
0
XLogP3:0.00000
Appearance:Silver-gray powder
Density:7.14 g/cm3
Melting Point:1900 °C
Boiling Point:2642 °C
Flash Point:50 °F
Water Solubility:Insoluble in water.
Storage Conditions:Storage temperature: no restrictions.
Vapor Pressure:0 mmHg (approx)
Toxicity:Not reported-Rat LD50: 27.5 mg/kg
Flammability characteristics:Non-combustible; toxic chromium-containing fumes are produced in the fire;
Explosive limit:Powder will explode spontaneously in air. ... May ignite or react violently with bromine pentafluoride.
Odor:Odorless
PH:Bivalent chromium compounds are basic; trivalent chromium compounds are amphoteric; hexavalent chromium compounds are acidic
Experimental Properties:Enthalpy of fusion: 403.9 J/g at the melting pt|Under strongly oxidizing conditions, may be converted to hexavalent state & occur as chromate anions|Electronegativity (Pauling Scale): 1.6; orbital electrons: (Ar)3d5-4s1; abundance (% of earth's crust): 2X10-2|Chromium is a mixture of four stable isotopes with mass numbers 50 (4.31%), 52 (83.76%), 53 (9.55%) and 54 (2.38%). Thermal neutron capture cross sections are 17, 0.8, 18 and 0.38 barns, respectively.|For more Other Experimental Properties (Complete) data for CHROMIUM, ELEMENTAL (9 total), please visit the HSDB record page.
Air and Water Reactions:May be pyrophoric, as dust. Insoluble in water.
Reactive Group:Metals, Elemental and Powder, Active
Reactivity Alerts:Pyrophoric
Reactivity Profile:CHROMIUM reacts violently with NH4NO3, N2O2, Li, NO, KClO3, SO2 (NTP, 1992). Metal dusts when suspended in atmospheres of carbon dioxide may ignite and explode.
Flammable Limits:Noncombustible Solid in bulk form, but finely divided dust burns rapidly if heated in a flame.
Physical Dangers:Dust explosion possible if in powder or granular form, mixed with air.
Corrosivity:The silver soldered stainless steel wire corroded more than the cobalt-chromium type, & released more nickel & chromium than did the cobalt-chromium wires.
Heat of Vaporization:81.7 kcal/mol (at the boiling point)
Hazard IdentificationClassification of the substance or mixture
Not classified.
GHS label elements, including precautionary statements
Pictogram(s) No symbol. Signal word No signal word
Hazard statement(s) none
Precautionary statement(s) Prevention none
Response none
Storage none
Disposal none
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
If powder: NO open flames Closed system, dust explosion-proof electrical equipment and lighting. Prevent deposition of dust. 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
Keep container tightly closed in a dry and well-ventilated place.
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Seller Information
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Business Type:
Trader
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Main Products:
Bismuth,Tellurium,Telluride,Antimonide,Oxide,Sulfide
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Location:
No. 37, 1st Floor, Building 1, No. 8 Wanxing Street, Chenghua District, Chengdu, Sichuan
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Payment Terms:
TT against copy of documents,100% TT in advance
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Average lead Time:
5
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Total Annual Revenue:
$2.5 million-$5 million
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Total Employees:
11-50
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Year of Establishment:
2022
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Inquiry History2 Inquiries
Country Product Purchase Quantity Date Posted 
Egypt
Chromium
1 TON Nov 19, 2024 
Qatar
Chrome
600 KG Feb 27, 2024 Post an enquiry for this product
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