CAS No.1314-13-2,Zinc oxide Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	1314-13-2
Name:	Zinc oxide

Formula:	ZnO
Molecular Weight:	81.37
Synonyms:	Zinc oxide;Zinc dihydroxide;ZINC HYDROXIDE;
EINECS:	215-222-5
Density:	5.606 g/cm³
Melting Point:	1975 °C
Boiling Point:	2360oC
Flash Point:	27℃
Solubility:	1.6 mg/L (29 °C) in water
Appearance:	white powder
Hazard Symbols:	N,Xn
Risk Codes:	50/53
Safety:	60-61
Transport Information:	UN 3077 9/PG 3
PSA:	17.07000
LogP:	-0.12130

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Zinc and its compounds are on the Community Right-To-Know List.

Specification

Zinc oxide (CAS NO.1314-13-2) is an inorganic compound with the formula ZnO. It usually appears as a white powder, nearly insoluble in water. The powder is widely used as an additive into numerous materials and products including plastics, ceramics, glass, cement, rubber (e.g. car tyres), lubricants, paints, ointments, adhesives, sealants, pigments, foods (source of Zn nutrient), batteries, ferrites, fire retardants, etc. ZnO is present in the Earth crust as a mineral zincite; however, most ZnO used commercially is produced synthetically.

Preparation of Zinc oxide: A large number of specialised methods exist for producing ZnO for scientific studies and niche applications. These methods can be classified by the resulting ZnO form (bulk, thin film, nanowire), temperature ("low", that is close to room temperature or "high", that is T ~ 1000 °C), process type (vapor deposition or growth from solution) and other parameters.Ordinary white powdered zinc oxide can be produced in the laboratory by electrolyzing a solution of sodium bicarbonate with a zinc anode. Zinc hydroxide and hydrogen gas are produced. The zinc hydroxide upon heating decomposes to zinc oxide.

Zn + 2 H2O → Zn(OH)2 + H2
Zn(OH)2 → ZnO + H2O

Uses of Zinc oxide: Zinc oxide is widely used to treat a variety of other skin conditions, in products such as baby powder and barrier creams to treat diaper rashes, calamine cream, anti-dandruff shampoos, and antiseptic ointments. It is also a component in tape (called "zinc oxide tape") used by athletes as a bandage to prevent soft tissue damage during workouts. Also Zinc oxide is added to many food products, including breakfast cereals, as a source of zinc, a necessary nutrient. (Zinc sulfate is also used for the same purpose.) Some prepackaged foods also include trace amounts of ZnO even if it is not intended as a nutrient. Zinc white is used as a pigment in paints and is more opaque than lithopone, but less opaque than titanium dioxide. It is also used in coatings for paper. Chinese white is a special grade of zinc white used in artists' pigments. It is also a main ingredient of mineral makeup.

You can still convert the following datas into molecular structure:
(1)SMILES:O=[Zn];
(2)Std. InChI:InChI=1S/O.Zn;
(3)Std. InChIKey:XLOMVQKBTHCTTD-UHFFFAOYSA-N

The toxicity data is as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
human	LDLo	oral	500mg/kg (500mg/kg)		Gekkan Yakuji. Pharmaceuticals Monthly. Vol. 22, Pg. 291, 1980.
human	TCLo	inhalation	600mg/m3 (600mg/m3)	LUNGS, THORAX, OR RESPIRATION: COUGH LUNGS, THORAX, OR RESPIRATION: DYSPNEA LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES	Journal of Industrial Hygiene. Vol. 9, Pg. 88, 1927.
mouse	LC50	inhalation	2500mg/m3 (2500mg/m3)		International Polymer Science and Technology. Vol. 3, Pg. 93, 1976.
mouse	LD50	oral	7950mg/kg (7950mg/kg)		Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 51(4), Pg. 89, 1986.
rat	LD	intratracheal	> 4979ug/kg (4.979mg/kg)	LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES	Eisei Kagaku. Hygienic Chemistry. Vol. 35, Pg. P19, 1989.
rat	LD	oral	> 8437mg/kg (8437mg/kg)		Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 18(5), Pg. 48, 1974.
rat	LD50	intraperitoneal	240mg/kg (240mg/kg)		Zdravookhranenie Kazakhstana. Public Health of Kazakhstan. Vol. 38(9), Pg. 18, 1978.