ChemicalBook--->CAS DataBase List--->13530-65-9

13530-65-9

13530-65-9 Structure

13530-65-9 Structure
IdentificationMore
[Name]

ZINC CHROMATE
[CAS]

13530-65-9
[Synonyms]

ZINC CHROMATE
basiczincchromate
buttercupyellow
c.i.77955
chromicacid(h2cro4),zincsalt(1:1)
chromicacid,zincsalt
Chromicacid,zincsalt(1:1)
chromiumzincoxide(zrcro4)
ci77955
pigmentyellow36
zincchromate(vi)hydroxide
zincchromate6
zincchromateam
zincchromatec
zincchromateo
zincchromatet
zincchromatez
zincchrome
zincchrome(anti-corrosion)
Zincchromeyellow
[EINECS(EC#)]

236-878-9
[Molecular Formula]

CrO4Zn
[MDL Number]

MFCD00036281
[Molecular Weight]

181.38
[MOL File]

13530-65-9.mol
Chemical PropertiesBack Directory
[Appearance]

Zinc chromate is a yellow crystalline powder.
[density ]

3,4 g/cm3
[solubility ]

soluble in acid solutions; insoluble in acetone
[Melting point ]

316 °C
[color ]

yellow prisms
[Water Solubility ]

Insoluble in water.
[Exposure limits]

ACGIH: TWA 0.0002 mg/m3; STEL 0.0005 mg/m3 (Skin)
OSHA: Ceiling 0.1 mg/m3
NIOSH: IDLH 15 mg/m3; TWA 0.0002 mg/m3
[CAS DataBase Reference]

13530-65-9(CAS DataBase Reference)
[EPA Substance Registry System]

Zinc chromate (13530-65-9)
Safety DataBack Directory
[Risk Statements ]

R8:Contact with combustible material may cause fire.
R43:May cause sensitization by skin contact.
R49:May cause cancer by inhalation.
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
[Safety Statements ]

S17:Keep away from combustible material .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S53:Avoid exposure-obtain special instruction before use .
[RIDADR ]

3087
[TSCA ]

Yes
[HazardClass ]

9
[PackingGroup ]

III
[Safety Profile]

Confirmed human carcinogen producing lung tumors. A poison via intravenous route. Human mutation data reported. See also CHROMIUM COMPOUNDS and ZINC COMPOUNDS.
[Hazardous Substances Data]

13530-65-9(Hazardous Substances Data)
[Toxicity]

LDLo intravenous in mouse: 30mg/kg
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Zinc oxide-->Potassium dichromate
[Preparation Products]

Acetone-->Furan-->Barium chromate
Hazard InformationBack Directory
[General Description]

Odorless yellow solid. Sinks in water.
[Reactivity Profile]

Oxidizing agents, such as ZINC CHROMATE, can react with reducing agents to generate heat and products that may be gaseous (causing pressurization of closed containers). The products may themselves be capable of further reactions (such as combustion in the air). The chemical reduction of materials in this group can be rapid or even explosive, but often requires initiation (heat, spark, catalyst, addition of a solvent). Explosive mixtures of inorganic oxidizing agents with reducing agents often persist unchanged for long periods if initiation is prevented. Such systems are typically mixtures of solids, but may involve any combination of physical states. Some inorganic oxidizing agents are salts of metals that are soluble in water; dissolution dilutes but does not nullify the oxidizing power of such materials. Organic compounds, in general, have some reducing power and can in principle react with compounds in this class. Actual reactivity varies greatly with the identity of the organic compound. Inorganic oxidizing agents can react violently with active metals, cyanides, esters, and thiocyanates.
[Health Hazard]

Inhalation of dust causes irritation of nose and throat. Ingestion can cause irritation or corrosion of the alimentary tract, circulatory collapse, and toxic nephritis. Contact with eyes or skin causes irritation.
[Potential Exposure]

Zinc chromate is used as an anticorrosion pigment in primers and as a coloring agent; as a pigment in surface coatings and linoleum; to impart corrosion resistance to epoxy laminates.
[First aid]

If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit.
[Shipping]

UN3288 Toxic solids, inorganic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required. UN3077 Environmentally hazardous substances, solid, n.o.s., Hazard class: 9; Labels: 9-Miscellaneous hazardous material, Technical Name Required.
[Incompatibilities]

An oxidizer; reacts with reducing agents; combustibles, organic materials.
[Chemical Properties]

Zinc chromate is a yellow crystalline powder.
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

zinc chromate(13530-65-9).msds
Questions And AnswerBack Directory
[Description]

Zinc Chromate is a zinc salt of chromate. As a corrosion inhibitor, it is used industrially in chromate conversion coatings, which was developed by the Ford Motor Company in the 1920s. Its major application is used as a coating over iron or aluminum materials in industrial painting with corrosion resistance. It is also used in spray paints, artists'paints, pigments in varnishes, metal surface treatment and in making linoleum. Its putty form can be used as sealant in addition to two O-rings between sections of the failed solid rocket booster on Space Shuttle Challenger. However, it was concerned that it is a potential carcinogen, which can induce chromosome instability and DNA double-strand breaks.
Zinc Chromate
[Uses]

Zinc chromate is also called zinc yellow, this pigment is identified as Pigment Yellow 36, as opposed to the lithopone version incorpo- rating barium sulfate which is Pigment Yellow 36:1. It is a bright, green shade of yellow made by the precipitation of hydrated zinc potassium chromate from the reaction of so- dium bichromate with zinc oxide and potassium chloride. The lithopone version is merely a co-precipitate of zinc chromate onto barium sulfate to give an extended pigment that carries the Colour Index name of Pigment Yellow 36:1.
Used primarily in corrosion-inhibiting coatings, its poor tinctorial strength and poor resistance to acid and alkali severely limits this pigment's use elsewhere.
[Referrence]

  • Tencer, Michal (30 September 2006). "Electrical conductivity of chromate conversion coating on electrodeposited zinc". Applied Surface Science. 252 (23): 8229–8234. 
  • J.A. Hickman (1997). Polymeric Seals and Sealing Technology. iSmithers Rapra Publishing. p. 25. ISBN 978-1-85957-096-8. Retrieved 24 March 2011.
  • Xie, Hong, et al. "Zinc Chromate Induces Chromosome Instability and DNA Double Strand Breaks in Human Lung Cells." Toxicology & Applied Pharmacology 234.3(2009):293-9.
Well-known Reagent Company Product InformationBack Directory
[Alfa Aesar]

Zinc chromate(13530-65-9)
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