Zirconyl chloride octahydrate Chemical Properties

Melting point:

400°C (dec.)

Boiling point:

210°C

Density 

1.91

storage temp. 

Store at +15°C to +25°C.

solubility 

H₂O: soluble

form 

Crystalline Powder

Specific Gravity

1.91

color 

White to light yellow

Odor

Odorless

PH

1 (50g/l, H2O, 20℃)

Water Solubility 

SOLUBLE

Sensitive 

Hygroscopic

Merck 

14,10184

Exposure limits

ACGIH: TWA 5 mg/m3; STEL 10 mg/m3
NIOSH: IDLH 25 mg/m3; TWA 5 mg/m3; STEL 10 mg/m3

Stability:

Stable, but may be moisture sensitive. Incompatible with strong oxidizing agents.

CAS DataBase Reference

13520-92-8(CAS DataBase Reference)

Safety Information

Hazard Codes 

C

Risk Statements 

34-22-37

Safety Statements 

26-36/37/39-45-27

RIDADR 

UN 3264 8/PG 3

WGK Germany 

1

RTECS 

ZH7250000

TSCA 

Yes

HS Code 

2827 49 90

HazardClass 

8

PackingGroup 

III

Toxicity

LD50 orally in Rabbit: 3500 mg/kg

MSDS

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Zirconyl chloride octahydrate Usage And Synthesis

Synthesis

Zircon is melted with caustic soda, rinsed, desiliconized, and then reacted with sulfuric acid, and then ammonia water is added to obtain zirconium hydroxide precipitate. Finished zirconium oxychloride.

Chemical Properties

solid

Uses

Zirconium dichloride oxide is utilized as a precursor to prepare other zirconium compounds. It is employed in acid dyes, pigment toners and antiperspirants. It finds application as a rubber additive and a fiber treatment agent. It is also used in paint drying, refractories, ceramics and glaze.

General Description

This product is used as a potential green catalyst.

Purification Methods

Recrystallise the chloride several times from water [Ferragina et al. J Chem Soc, Dalton Trans 265 1986]. Recrystallisation from 8M HCl gives the octahydrate as white needles on concentrating. It is also formed by hydrolysing ZrCl4 with water. After one recrystallisation from H2O, 99+% grade zirconyl chloride had Ag, Al, As, Cd, Cu, Hf, Mg, Na, Sc and V at 20, 1.8, 0.6, 0.6, 0.4, 8.4, 0.4, 2.4, 80 and 3 ppm, respectively. (See above.) METAL-ORGANIC COMPOUNDS This section contains metal-organic compounds as well as ammonium and metal salts of organic acids. (For Introduction see p 445.)

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