Oxammoniumsulphate
(NH2OH)2•H2SO4
Molecular mass: 164.1
ICSC # 0898
CAS # 10039-54-0
RTECS # NC5425000
UN # 2865
EC # 612-123-00-2
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Types of Hazard/ Exposure
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Acute Hazards/ Symptoms
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Prevention
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First Aid/
Fire Fighting
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FIRE
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Combustible.
Gives off irritating or toxic fumes (or gases) in a fire.
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NO open flames.
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Powder, alcohol-resistant foam, water in large amounts, carbon dioxide.
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Explosion
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In case of fire: keep drums, etc., cool by spraying with water.
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Exposure
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AVOID ALL CONTACT!
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•Inhalation
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See Ingestion.
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Ventilation, local exhaust, or breathing protection.
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Fresh air, rest.
Refer for medical attention.
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•Skin
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MAY BE ABSORBED!
Redness.
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Protective gloves.
Protective clothing.
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Remove contaminated clothes.
Rinse skin with plenty of water or shower.
Refer for medical attention.
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•Eyes
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Redness.
Pain.
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Safety spectacles,
or eye protection in combination with breathing protection.
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First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
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•Ingestion
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Blue lips or fingernails.
Blue skin.
Confusion.
Convulsions.
Dizziness.
Headache.
Nausea.
Unconsciousness.
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Do not eat, drink, or smoke during work.
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Rinse mouth.
Give a slurry of activated charcoal in water to drink.
Induce vomiting (ONLY IN CONSCIOUS PERSONS!).
Refer for medical attention.
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Spillage Disposal
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Storage
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Packaging & Labelling
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(Extra personal protection: P2 filter respirator for harmful particles.)
Sweep spilled substance into containers.
Carefully collect remainder,
then remove to safe place.
Do NOT let this chemical enter the environment.
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Separated from
oxidants
,nitrates, nitrites and combustibles.
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Marine pollutant.
Xn symbol
N symbol
R: 22-36/38-43-48/22-50
S: 2-22-24-37-61
UN Hazard Class: 8
UN Packing Group: III
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Important Data
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Physical State; Appearance:
WHITE
CRYSTALS
OR POWDER
.
Physical Dangers:
Chemical Dangers:
On contact with hot surfaces or flames this substance decomposes forming corrosive fumes ofsulfur oxides.
The solution in water is a medium strong acid.
The substance is a strong reducing agent and reacts violently with oxidantspowdered metals, nitrates, nitrites and heavy metal salts.
Occupational Exposure Limits:
TLV not established.
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation of its aerosol,
through the skin
and
by ingestion.
Inhalation Risk:
A harmful concentration of airborne particles can be reached quickly when dispersed.
Effects of Short-Term Exposure:
The substance
is irritating to
the eyes
and
the skin
.
The substance may cause effects on the
blood
, resulting in
the formation of methaemoglobin.
Effects of Long-Term or Repeated Exposure:
Repeated or prolonged contact may cause skin sensitization.
The substance may have effects on the
blood
, resulting in
anaemia
.
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Physical
Properties
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Melting point (decomposes): 120°C
Density: 1.88
g/cm3
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Solubility in water, g/100 ml at 20°C: 58.7
Octanol/water partition coefficient as log Pow: -3.6
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Environmental
Data
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The substance is toxic to aquatic organisms.
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N O T E S
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Depending on the degree of exposure, periodic medical examination is suggested.
Specific treatment is necessary in case of poisoning with this substance; the appropriate means with instructions must be available.
Transport Emergency Card: TEC (R)-80GC2-II+III
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ADDITIONAL INFORMATION
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ICSC: 0898
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BIS(HYDROXYLAMINE) SULFATE
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(C) IPCS, CEC, 1994
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IMPORTANT LEGAL NOTICE:
Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH,
the CEC or the IPCS is responsible for the use which might be made of this
information. This card contains the collective views of the IPCS Peer Review Committee and may
not reflect in all cases all the detailed requirements included in national legislation
on the subject. The user should verify compliance of the cards with the relevant legislation
in the country of use.
The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
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