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Zinc Oxide

  • Zinc Oxide
  • Zinc Oxide
  • Zinc Oxide

Zinc Oxide

CAS No.: 1314-13-2
Molecular Formula: OZn
Molecular Weight: 81.39
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Product Description

Pure zinc oxide is a white, odorless powder free of mechanical impurities. It is insoluble in water but not in organic solvents such as ethanol and ether. It can be dissolved in dilute acids to form zinc salts and also in strong bases to form zincates, demonstrating the characteristics of amphoteric oxides.


Chemical Properties

PropertyValue

Melting point

1975 °C

Boiling point

1949.9°C (estimate)

Density

5.6

Bulk density

200-700kg/m3

Refractive index

2.008~2.029

Fp

27℃

Storage temp.

Store at +5°C to +30°C.

Solubility

0.0016g/l insoluble

Form

Nanopowder

Color

White to pale yellow

Specific Gravity

5.61

PH

7 (50g/l, H2O, 20℃)(slurry)

Odor

wh. to gray powd. or crystals, odorless, bitter taste

Water Solubility

1.6 mg/L (29 ºC)

Crystal Structure

ZnO type

Crystal system

Six sides

Merck

14,10147

Space group

P63mc

Lattice constant

a/nmb/ nmc/nmα/ oβ/oγ/oV/ nm30.324950.324950.5206990901200.0476

Dielectric constant

40.0（20℃）

Exposure limits

ACGIH: TWA 2 mg/m3; STEL 10 mg/m3OSHA: TWA 5 mg/m3; TWA 15 mg/m3NIOSH: IDLH 500 mg/m3; TWA 5 mg/m3; STEL 10 mg/m3; Ceiling 15 mg/m3

Stability:

Stable. Incompatible with magnesium, strong acids.

InChIKey

XLOMVQKBTHCTTD-UHFFFAOYSA-N

CAS DataBase Reference

1314-13-2(CAS DataBase Reference)

NIST Chemistry Reference

Zinc oxide(1314-13-2)

EPA Substance Registry System

Zinc oxide (1314-13-2)


Safety Information

PropertyValue
Hazard symbolsN, Xn, F
Hazard class codes50/53-20-43-36/38-20/21/22-67-66-10-11
Safety descriptions60-61-7/9-36/37-26-16
Occupational exposure classB
Occupational exposure limitTWA: 5 mg/m³, Ceiling: 15 mg/m³
UN dangerous goods numberUN 3077 9/PG 3
WGK Germany2
RTECS numberZH4810000
TSCATSCA listed
Hazard class9
Packing groupIII
HS code28170000
Storage class11 - Combustible solids
Hazard class (category)Hazardous to the aquatic environment — acute hazard, Category 1
Hazardous to the aquatic environment — long-term hazard, Category 1
Hazardous substances data1314-13-2 (Hazardous Substances Data)
ToxicityLD50 orally in Rabbit: >5000 mg/kg
Immediately dangerous to life or health concentration500 mg/m³


Product Usage

Zinc Oxide is a powerful and versatile inorganic compound that holds a central position in numerous industrial sectors. In the rubber industry, it serves as the most critical vulcanization activator, significantly enhancing the abrasion resistance, tear strength, and anti-aging properties of rubber products, with nearly half of global production used in tire manufacturing. In cosmetics and personal care, its exceptional UV-shielding capability makes it a key ingredient in physical sunscreens, skin ointments, and anti-irritant products. Within the ceramics and glass industries, zinc oxide acts as a flux to reduce melting temperatures and improve luster. Additionally, it provides essential trace zinc in animal feed, acts as an anti-corrosive and antimicrobial agent in coatings, and serves as a core material for varistors in the electronics field.

Factory Showcase

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Shipping and Transportation

Delivery Time

Inventory 2-3 working days New manufacturing 7-10 working days

Mode of Transportation
1. By Air, fast but expensive.
2. By Sea, usual and economy.
3. By Train, suit for middle Asia countries.
4. By Express, suit for small package.
We only provide highest quality goods available, accompanied by after support!

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FAQ

Q1: What international standards do your products and services comply with?

A1: Our products fully comply with international standards such as REACH, MSDS, and COA, and we strictly implement the ISO9001 quality management system. We can also provide third-party testing reports (SGS, BV, etc.) according to customer needs.


Q2: How long does it take for goods to be delivered to my country?
A2: The delivery time depends on the transport mode and destination country. Generally, sea transport takes 15-30 days, air transport takes 3-7 days, and we will optimize the transport route to shorten the delivery time as much as possible.


Q3: Can you provide customs clearance services for dangerous chemicals?
A3: Yes. Our team is proficient in the customs clearance procedures for dangerous chemicals in various countries, and can provide professional compliant declaration and customs clearance services to ensure smooth customs clearance.


Q4: Do you provide customized product and service solutions?
A4: Yes. We can provide personalized product customization and export service solutions according to your specific needs (product specifications, application scenarios, procurement volume, etc.).

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