Sulfamic Acid

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Sulfamic Acid Material Safety Data Sheet


1. Identification of the substance/mixture

1.1. Product identifier

Product name    : Sulfamic Acid
Chemical family    : Inorganic Acid

1.2. Relevant identified uses of the substance or mixture and advised against

Identified uses    : Manufacture of sodium cyclamate, manufacture of flame  retardents, descaling, acid cleaning, nitrite removal, anodizing metals and electroplating.

1.3.     Emergency telephone :

(62-21) 619 8100, Quality Assurance Department


2. Hazard Identification

2.1. Classification of the substance or mixture

Classification (REGULATION (EC) No 1272/2008)
Skin irritation    :    category 2, H315
Eye irritation    :    category 2, H319
Chronic aquatic  :    category 3, H412
For the full text of the H-Statements mentioned in this section, see section 16.
2.2.     Label elements

Labelling (REGULATION (EC) No.1272/2008)
Hazard pictograms

Signal word

Hazard statements
H319 Causes serious eye irritation.
H315 Causes skin irritation.
H412 Harmful to aquatic life with long lasting effects.

Precautionary statement prevention
P264 wash thoroughly after handling
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection

Precautionary statement response
P261 avoid breathing dust/fume/gas/mist/vapours/spray
P302 + P352 If on skin : wash with plenty of soap and water
P305 + P351 + P338  If in eyes : Rinse cautiously with water for several minutes.
Remove contact lenses, if present and easy to do. Continue rinsing.
P321 Specific treatment (see on this label)
P332 + P313 if skin irritation occurs : get medical advice/attention.
P337 + P313 It eye irritation persist : get medical advice/attention
Precautionary statement disposal
P501 Dispose of contents/container to authorised hazardous waste specialist.


3. Composition / information on ingredients

Formula    : H3NO3S (Hill)
CAS No.    : 5329-14-6
EC No.    : 226-218-8
Molar mass  : 97.09 gr/mol



4. First aid measures

4.1.     Description of first aid measures

After inhalation :  fresh air
After skin contact  : wash off with plenty of water. Remove contaminated clothing.
After eye contact : rinse out with plenty of water. Call in opthalmologist.
After swallowing : immediately make victim drink water (drink a lot of water).
Consult a physician.

4.2.     Most important symptoms and effects, both acute and delayed irritant effects,cough,shortness of breath.

4.3.     Indication of immediate medical attention and special treatment needed: No information available



5. Fire-fighting measures

5.1.     Extinguishing media

Suitable extinguishing media : use extinguishing measures that are appropriate to local circumstances and the surrounding environment.

5.2.     Special hazards arising from the substance or mixture

No combustible. Ambient fire may liberate hazardous vapours.
Fire may cause evolution of : sulphur dioxides, nitrogen oxides.

5.3.     Advice for fire fighters

Special protective equipment for fire fighters : stay in danger area only with self contained breathing apparatus.
Prevent skin contact by keeping a safe distance or by wearing protective clothing.

6. Accidental release measures

6.1.     Personal precaution, protective equipment and emergency procedures.

Advice for non emergency personnel : Avoid generation for dust; do not inhale dusts. Avoid substance contact.           
Ensure adequate ventilation. Evacuate the danger area,observe emergency procedures, consult an expert.


6.2.     Environmental precautions

Do not empty in to drains


6.3.     Methods and material for containment and cleaning up

Cover drains. Collect, bind, and pump of spills
Observe possible material restrictions (see sections 7.2 and 10.5)
Take up dry. Dispose of properly. Clean up affected area. Avoid generation of dusts.


6.4.     Reference to the other sections

Indication about waste treatment see section 13.


7. Handling and storage

7.1.     Precaution for safe handling

Observe label precautions.

7.2.     Conditions for safe storage, including any incompatibilities

Tightly closed. Dry.

7.3.     Specific end uses.

Apart from the uses mentioned in section 1.2 no other specific uses are stipulated



8. Exposure controls/personal protection

8.1.     Control parameters

8.2.     Exposure controls

Engineering measures
Technical measures and appropriate working operations should be given priority over the use of personal protective equipment
See section 7.1.

Individual protection measures
Protective cloting needs to be selected specifically for the workplace, depending on concentration and quantities of  the  hazardous  subtances  handled.
The  chemical  resistance  of  the  equipment should be enquired at the    respective supplier.

Hygiene measures
Immediately change contaminated clothing.Apply preventive skin protection.Wash hand and face after working with subtance.

Eye / face protection
Safety glasses

Hand protection
full contact :
Glove material   : Nitrile rubber
Glove thickness :  0.11 mm
Break through time : > 480 min

splash contact :
Glove material    : Nitrile rubber
Glove thickness  :  0.11 mm
Break through time : > 480 min

The protective gloves to be used must comply with the specifications of EC Directive 89/686/EEC and the related standard EN374.

Other protective equipment :        
Protective clothing

Respiratory protection
Required when dust are generated.
Recommended filter type : Filter B-(P2)    

Environmental exposure controls
Do not empty into drains.



9. Physical and chemical properties

9.1.     Information on basic physical and chemical properties

Form : crystals
Colour : white
Odour : odourless
pH    (1% solution,25oC) : 1,18
Melting point : 205°C (decomposition)
Boiling point : No information available.
Flash point : No information available.
Evaporation rate : No information available.
Flammability (solid,gas) : No information available.
Lower explosion limit : No information available.
Upper explosion limit : No information available.
Vapour pressure : 0,0078 hPa
Relative vapour density : 3,35
Relative density : 2,13 g/cm3  at 20 °C
Water solubility (at 20oC) : 213 gr/lt
Partition coefficient: n-  : log Pow: 0,10
Octanol/water                 Method: (experimental)(Lit.) Bioaccumulation is not expected (log Pow <1).
Autoignition temperature : No information available.
Decomposition temperature : 209 °C
Viscosity, dynamic : No information available.
Explosive properties : No information available.
Oxidizing properties : No information available.

9.2.     Other data

Bulk density ~ 1,300 kg/m3



10. Stability and reactivity

10.1.     Reactivity

Dangerous reactions are not expected handling the product according to its intented use.

10.2.     Chemical stability

The product is chemically stable under standard ambient conditions (room temperature).

10.3.     Possibility of hazardous reactions

Generates dangerous gases or fumes in contact with : halogens, alkalines,oxidizing agents, nitrates, nitrites, nitric acid, metal and water.

10.4.     Conditions to avoid

Strong heating.

10.5.     Incompatible materials

No information available.

10.6.     Hazardous decomposition products

In the event of fire, see chapter 5.



11. Toxicological information

11.1.     Information on toxicological effects

Acute oral toxicity
LD50  rat
Dose : > 2.000 mg/kg
Method : (OECD 401)
Symptoms : irritations of mucous membranes in the mouth,pharynx,oesophagus and gastrointestinal tract.

Acute inhalation toxicity
Symptoms : cough,shortness of breath,irritation symptoms in the respiratory tract.

Skin irritation
Result : severe irritation.
Method : OECD test guideline 404

Eye irritation
Result  : severe irritation.
Method : OECD test guideline 405

Genotoxicity in vitro
Mutagenicity (mammal cell test) : micronucleus
Result : negative
Method : OECD test guideline 474

Ames test
Salmonella typhimurium
Result : negative
Method : OECD test guideline 471
Specific target organ toxicity – single exposure
The substance or mixture is not classified as specific target organ taxicant, single exposure.

Specific target organ – repeated exposure
The substance or mixture is not classified as specific target organ taxicant, repeated exposure.

Aspiration hazard
No aspiration toxicity classification.

11.2.     Further information

Handle in accordance with good industrial hygiene and safety practise.



12. Ecological information

12.1.     Toxicity

Toxicity to fish
Species     : pimephales promelas (fathead minnow)
Dose        : 70,3 mg/lt
Exposure time     : 96 hr
Method    : OECD test guideline 203

12.2.     Persistence and degradability

No information available

12.3.     Bioaccumulative potential

Partition coefficient : n-octanol/water    
Log Pow : 0,10
Method : (experimental) (Lit.) Bioaccumulation is not expected (log Pow < 1)

12.4.     Mobility in soil

No information available

12.5.     Results of PBT and vPvB assessment

PBT/vPvB assessment not available as chemical safety assessment not required/not conducted.

12.6.     Other adverse effects.

Biological effects : Harmful effect due to pH shift.
Further information on ecology : Do not allow to run into surface waters, wastewater, or soil.



13. Disposal considerations

Whatever cannot be saved for recovery or recycling should be managed in an appropriate and approved waste disposal facility. Processing, use or contamination of this product may change the waste management options.

14. Transport information

UN 2967 Sulphamic Acid , 8, III

UN 2967 Sulphamic Acid, 8, III

UN 2967 Sulphamic Acid, 8, III
EmS F-A  S-B

The transport regulations are cited according to international regulations. Possible national deviations in other countries are not considered.



15. Regulatory information

15.1. Safety, health and environmental regulation/legislation specific for the substance or mixture

EU regulations
Major accident hazard : 96/82/EC
Legialation : Directive 96/82/EC does not apply
Occupational restrictions : Take note of Dir 94/33/EC on the protection of young people at work.

15.2.      Chemical safety assessment

For this product a chemical safety assessment was not carried out.



16. Other information

Full text of H-Statements referred to under sections 2 and 3.

H315    Causes skin irritation.
H319    Causes serious eye irritation.
H412    Harmful to aquatic life with long lasting effects.

Training advice
Provide adequate information, instruction and training for operators.


The information accumulated here in is believed to be accurate but is not warranted to be whether originating with the company or not.

Health and safety data sheet should be used only as a guide to the safe handling of the product, and is not intended as a technical specification.