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5329-14-6

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Identification

Name
Sulfamic acid
CAS
5329-14-6
Synonyms
ACETO ACID
AMIDOSULFONIC ACID
AMIDOSULFURIC ACID
AMINOSULFONIC ACID
BETZ 0254
SULFAMIC ACID
SULFAMIDIC ACID
SULFAMINIC ACID
SULPHAMIC ACID
aminosulfuricacid
Imidosulfonic acid
Jumbo
Kyselina amidosulfonova
Kyselina sulfaminova
kyselinaamidosulfonova
kyselinaamidosulfonova(czech)
kyselinasulfaminova
kyselinasulfaminova(czech)
sulfamic
sulphamidic acid
EINECS(EC#)
226-218-8
Molecular Formula
H3NO3S
MDL Number
MFCD00011603
Molecular Weight
97.09
MOL File
5329-14-6.mol

Chemical Properties

Appearance
Sulfamic acid is a white crystalline solid.
Appearance
white crystals
mp 
215-225 °C (dec.)(lit.)

density 
2,12 g/cm3
refractive index 
1.553
Stability:
Stable.
Water Solubility 
146.8 g/L (20 ºC)
Merck 
14,8921
CAS DataBase Reference
5329-14-6(CAS DataBase Reference)
NIST Chemistry Reference
Sulfamic acid(5329-14-6)
EPA Substance Registry System
5329-14-6(EPA Substance)

Safety Data

Hazard Codes 
Xi
Risk Statements 
R36/38:Irritating to eyes and skin .
R52/53:Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
RIDADR 
UN 2967 8/PG 3

WGK Germany 
1

RTECS 
WO5950000

HazardClass 
8
PackingGroup 
III
HS Code 
28111980
Safety Profile
Poison by intraperitoneal route. Moderately toxic by ingestion. A human skin irritant. A corrosive irritant to skin, eyes, and mucous membranes. A substance that migrates to food from packaging materials. Violent or explosive reactions with chlorine, metal nitrates + heat, metal nitrites + heat, fuming HNO3. When heated to decomposition it emits very toxic fumes of SOx and NOx. See also SULFONATES.
Hazardous Substances Data
5329-14-6(Hazardous Substances Data)

Raw materials And Preparation Products

Hazard Information

General Description
A white crystalline solid. Density 2.1 g/cm3. Melting point 205°C. Combustible. Irritates skin, eyes, and mucous membranes. Low toxicity. Used to make dyes and other chemicals.
Reactivity Profile
SULFAMIC ACID(5329-14-6) reacts exothermically with bases. Aqueous solutions are acidic and corrosive.
Air & Water Reactions
Moderately soluble in water [Hawley].
Health Hazard
TOXIC; inhalation, ingestion or skin contact with material may cause severe injury or death. Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.
Potential Exposure
Sulfamic acid is used in metal and ceramic cleaning, bleaching paper pulp; and textiles metal; in acid cleaning; as a stabilizing agent for chlorine and hypochlorite in swimming pools; cooling towers; and paper mills.
First aid
Move victim to fresh air. Call 911 or emergency medical service. Give artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificialrespiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult. Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush skin or eyes with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin. Keep victim warm and quiet. Effects of exposure (inhalation, ingestion, or skin contact) to substance may be delayed. Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves. Medical observation is recommended for 24 to 48 hours after breathing overexposure, as pulmonary edema may be delayed. As first aid for pulmonary edema, a doctor or authorized paramedic may consider administering a drug or other inhalation therapy.
Fire Hazard
Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. Some are oxidizers and may ignite combustibles (wood, paper, oil, clothing, etc.). Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated.
Shipping
UN2967 Sulfamic acid, Hazard class: 8; Labels: 8-Corrosive material.
Incompatibilities
The aqueous solution is a strong acid. Reacts violently with strong acids (especially fuming nitric acid), bases, chlorine. Reacts slowly with water, forming ammonium bisulfate. Incompatible with ammonia, amines, isocyanates, alkylene oxides; epichlorohydrin, oxidizers.

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