Concise International Chemical Assessment Document 33



Yüklə 0,67 Mb.
Pdf görüntüsü
səhifə24/29
tarix24.02.2018
ölçüsü0,67 Mb.
#28015
1   ...   21   22   23   24   25   26   27   28   29

Boiling point: 1640°C

Melting point: 725°C

Density: 3.6 g/cm

3

Solubility in water: reaction



LEGAL NOTICE

Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible

 for the use which might be made of this information

©IPCS  2000



1052

BARIUM

IMPORTANT DATA

Physical State; Appearance

YELLOWISH TO WHITE LUSTROUS SOLID IN VARIOUS

FORMS.

Physical dangers

Dust explosion possible if in powder or granular form, mixed

with air.

Chemical dangers

The substance may spontaneously ignite on contact with air (if

in powder form). The substance is a strong reducing agent and

reacts violently with oxidants and acids. Reacts violently with

halogenated solvents. Reacts with water, forming

flammable/explosive gas (hydrogen - see ICSC 0001), causing

fire and explosion hazard.

Occupational exposure limits

TLV: 0.5 mg/m

3

 (as TWA) (ACGIH 1999).



Routes of exposure

The substance can be absorbed into the body by ingestion.



Effects of short-term exposure

The substance irritates the eyes, the skin and the respiratory

tract.

PHYSICAL PROPERTIES

ENVIRONMENTAL DATA

NOTES

Reacts violently with fire extinguishing agents such as water, bicarbonate, powder, foam, and carbon dioxide.

Rinse contaminated clothes (fire hazard) with plenty of water.

ADDITIONAL INFORMATION



Prepared in the context of cooperation between the International

Programme on Chemical Safety and the European Commission 

© IPCS  2000

SEE IMPORTANT INFORMATION ON THE BACK.

IPCS

International

Programme on

Chemical Safety



BARIUM CHLORATE

0613

October 2000



CAS No: 13477-00-4

RTECS No: FN9770000

UN No: 1445

EC No: 017-003-00-8

Chloric acid, barium salt

BaCl


2

O

6



 / Ba(ClO

3

)



2

Molecular mass: 304.2



EXPOSURE__ACUTE_HAZARDS/SYMPTOMS__PREVENTION__FIRST_AID/FIRE_FIGHTING'>TYPES OF

HAZARD/

EXPOSURE

ACUTE HAZARDS/SYMPTOMS

PREVENTION

FIRST AID/FIRE FIGHTING

FIRE

Not combustible but enhances

combustion of other substances.

Many reactions may cause fire or

explosion.

NO contact with flammable

substances. NO contact with

organic substances, metal powders,

ammonium salts, and reducing

agents.


In case of fire in the surroundings:

all extinguishing agents allowed.



EXPLOSION

Risk of fire and explosion on

contact with : see Chemical

Dangers.


Do NOT expose to friction or shock.

Prevent deposition of dust; closed

system, dust explosion-proof

electrical equipment and lighting.

In case of fire: keep drums, etc.,

cool by spraying with water. Combat

fire from a sheltered position.

EXPOSURE

PREVENT DISPERSION OF DUST!

STRICT HYGIENE!

Inhalation

Cough. Sore throat. (See

Ingestion).

Ventilation (not if powder), local

exhaust, or breathing protection.

Fresh air, rest. Artificial respiration if

indicated. Refer for medical

attention.



Skin

Redness.


Protective gloves.

First rinse with plenty of water, then

remove contaminated clothes and

rinse again. Refer for medical

attention.

Eyes

Redness. Pain.

Safety goggles, or eye protection in

combination with breathing

protection.

First rinse with plenty of water for

several minutes (remove contact

lenses if easily possible), then take

to a doctor.

Ingestion

Abdominal pain. Blue lips or

fingernails. Blue skin. Confusion.

Convulsions. Diarrhoea. Dizziness.

Headache. Nausea.

Unconsciousness. Vomiting.

Weakness.

Do not eat, drink, or smoke during

work.

Rinse mouth. Induce vomiting



(ONLY IN CONSCIOUS

PERSONS!). Rest. Refer for

medical attention.

SPILLAGE DISPOSAL

PACKAGING & LABELLING

Consult an expert if large spill! Sweep spilled

substance into containers; if appropriate, moisten

first to prevent dusting. Wash away remainder with

plenty of water. Do NOT absorb in saw-dust or other

combustible absorbents. Do NOT let this chemical

enter the environment. (Extra personal protection:

P2 filter respirator for harmful particles).

O Symbol

Xn Symbol

R: 9-20/22

S: (2-)13-27

UN Hazard Class: 5.1

UN Subsidiary Risks: 6.1

UN Pack Group: II

Do not transport with food and

feedstuffs.

EMERGENCY RESPONSE

STORAGE

Transport Emergency Card: TEC (R)-812

NFPA Code: H2; F0; R1; ox

Separated from combustible and reducing substances,

ammonium-containing substances, metal powders, food and feedstuffs.



Decomposes below melting point: 250°C

Density: 3.2 g/cm

3

Solubility in water, g/100 ml: 27.4 (good)



LEGAL NOTICE

Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible

 for the use which might be made of this information

©IPCS  2000



0613

BARIUM CHLORATE

IMPORTANT DATA

Physical State; Appearance

COLOURLESS CRYSTALLINE POWDER



Chemical dangers

Shock-sensitive compounds are formed with organic

compounds, reducing agents, ammonia-containing agents, and

metal powders. The substance decomposes violently on heating

producing oxygen and toxic fumes, causing fire and explosion

hazard. The substance is a strong oxidant and reacts with

combustible and reducing materials.

Occupational exposure limits

TLV (as Ba): 0.5 mg/m

3

 (as TWA) A4 (ACGIH 1999). 0.5 mg/m



3

EC OELs


Routes of exposure

The substance can be absorbed into the body by inhalation and

by ingestion.

Inhalation risk

Evaporation at 20°C is negligible; a harmful concentration of

airborne particles can, however, be reached quickly when

dispersed, especially if powdered.



Effects of short-term exposure

The substance irritates the eyes, the skin and the respiratory

tract. The substance may cause effects on the blood and

nervous system, resulting in formation of methaemoglobin.

Exposure could cause hypokalemia, resulting in cardiac

disorders and muscular disorders. The effects may be delayed.

Medical observation is indicated. Exposure may result in death.

PHYSICAL PROPERTIES

ENVIRONMENTAL DATA

The substance is harmful to aquatic organisms.



NOTES

Depending on the degree of exposure, periodic medical examination is indicated. The symptoms of paralysis do not become

manifest until some hours have passed. Specific treatment is necessary in case of poisoning with this substance; the appropriate

means with instructions must be available. Rinse contaminated clothes (fire hazard) with plenty of water. 10294-38-9 is a CAS

registry number for Barium chlorate, monohydrate. Will turn shock-sensitive if contaminated with: see Chemical Dangers.

ADDITIONAL INFORMATION



Yüklə 0,67 Mb.

Dostları ilə paylaş:
1   ...   21   22   23   24   25   26   27   28   29




Verilənlər bazası müəlliflik hüququ ilə müdafiə olunur ©genderi.org 2024
rəhbərliyinə müraciət

    Ana səhifə