Safety data sheet
According to EC Directive 91/155/EEC
MERCK Schuchardt
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1. Identification of the substance/preparation and of the company/undertaking
Identification of the product
Catalogue No.: 823209
Product name: Ammonia for synthesis

Manufacturer/supplier identification
Company: Merck Ltd.
9th Floor, Monterey Tower, 2170 New Petchburi Road, Bangkapi, Huaykwang, Bangkok 10320
Tel: (662) 308 - 0218

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2. Composition/information on ingredients
CAS-No.: 7664-41-7 EC-Index-No.: 007-001-00-5
Molar mass: 17.03 EINECS-No.: 231-635-3
Molecular formula: H3N

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3. Hazards identification
Flammable. Toxic by inhalation.

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4. First aid measures
After inhalation: fresh air. If necessary, apply mouth-to-mouth resuscitation or mechanical ventilation.
After skin contact: wash off with plenty of water. Dab with polyethylene glycol 400. Immediately remove contaminated clothing. Immediately summon doctor.
After eye contact: rinse out with plenty of water for at least 10 minutes with the eyelid held wide open. Immediately summon eye specialist.

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5. Fire-fighting measures
Suitable extinguishing media:
In adaption to materials stored in the immediate neighbourhood.

Extinguishing media not to be used:
water

Special risks:
Practically non-combustible. Development of hazardous combustion gases or vapours possible in the event of fire. Formation of explosive mixtures possible with air.

Special protective equipment for fire fighting:
Do not stay in dangerous zone without suitable chemical protection clothing and self-contained breathing apparatus.

Other information:
Prevent fire-fighting water from entering surface water or groundwater.

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6. Accidental release measures
Person-related precautionary measures:
Do not inhale vapours/aerosols. Avoid substance contact. Ensure supply of fresh air in enclosed rooms.
Procedures for cleaning / absorption:
Stop flow of gas, move leaking cylinder to open air if without risk. Do not inhale vapours.

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7. Handling and storage
Handling:
Keep away from sources of ignition. Take measures to prevent electrostatic charging.

Storage:
Keep away from combustible materials and sources of ignition. At +15°C to +25°C. Accessible only for authorized persons.

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8. Exposure controls/personal protection
Specific control parameter
MAK Germany (max. workplace conc.)
Ammonia 20 ml/m3 or 14 mg/m3

Personal protective equipment:
Respiratory protection: required when vapours/aerosols are generated.
Eye protection: required
Hand protection: required

Protective clothing should be selected specifically for the working place, depending on concentration and quantity of the hazardous substances handled. The resistance of the protective clothing to chemicals should be ascertained with the respective supplier.
Industrial hygiene: Immediately change contaminated clothing. Apply skin- protective barrier cream. Wash hands and face after working with substance. Under no circumstances eat or drink at workplace. Work under hood . Do not inhale substance.

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9. Physical and chemical properties
Form: gas
Colour: colourless
Odour: pungent
pH value
at 17 g/l water (20 °C) 11.6
Viscosity dynamic (20 °C) 0.00982 mPa*s
Melting temperature -78 °C
Boiling temperature -33 °C
Ignition temperature 630 °C
Flash point not available
Explosion limits lower 15 Vol%
upper 28 Vol%
Vapour pressure (20 °C) 8.6 bar
Solubility in water (20 °C) 340 g/l

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10. Stability and reactivity
Conditions to be avoided
no information available

Substances to be avoided
hydrogen fluoride , oxidizing gases , acids , strongly acidic gases , air

Hazardous decomposition products
nitrogen , hydrogen

Further information
Keep away from sources of ignition.
formation of explosible mixtures upon expansion
incompatible with various metals

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11. Toxicological information
Acute toxicity
LC50 (inhalation, rat): 1.28 mg/l /4 h

Subacute to chronic toxicity
An embryotoxic effect need not be feared when the threshold limit value is observed.

Further toxicological information
After inhalation: severe mucosal irritations Inhalation may lead to the formation of oedemas in the respiratory tract.
After skin contact: Severe irritations.
After eye contact: Burns. Risk of blindness!
Other notes: Good warning effect due to low odour threshold. A risk occurs generally only after the tolerability limit is exceeded.

Further data
The product should be handled with the care usual when dealing with chemicals.

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12. Ecological information
Ecotoxic effects:
Biological effects: High aquatic toxicity. Harmful effect due to pH shift. Forms toxic mixtures in water, dilution measures notwithstanding.

Further ecologic data:
The following applies to ammonium ions in general: biological effects: fish: toxic as from 0.3 mg/l ; nourishment for fish: toxic as from 0.3 mg/l .

Do not allow to enter waters, waste water, or soil!

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13. Disposal considerations
Product:
There are no uniform EC Regulations for the disposal of chemicals or residues. Chemical residues generally count as special waste. The disposal of the latter is regulated in the EC member countries through corresponding laws and regulations. We recommend that you contact either the authorities in charge or approved waste disposal companies which will advise you on how to dispose of special waste.

Packaging:
Disposal in compliance with official regulations. Handle contaminated packaging in the same way as the substance itself. If not officially specified differently, non-contaminated packaging may be treated like household waste or recycled.

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14. Transport information
Transport over land ADR/RID and GGVS/GGVE (Germany)
GGVS/GGVE class: 2 Number and letter:
ADR/RID class: 2 Number and letter:
Name of material: 1005 AMMONIAK, WASSERFREI

River transport ADN/ADNR
not examined

Sea transport IMDG
IMDG class: 2.3 UN-No.: 1005 Packaging group:
Ems: 2-08 MFAG: 725
Correct technical name: AMMONIA, ANHYDROUS

Air transport ICAO-TI and IATA-DGR
ICAO/IATA class: 2.3/8 UN/ID-No.: 1005 Packaging group:
Correct technical name: AMMONIA, ANHYDROUS

The transport regulations are cited according to international regulations and in the form applicable in Germany (GGVS/GGVE). Possible national deviations in other countries are not considered.

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15. Regulatory information
Labelling according to EC Directives
Symbol: T Toxic immediately and show this container or label.
R-phrases: R 10-23 Flammable. Toxic by inhalation.
S-phrases: S 7/9-16-38-45 Keep container tightly closed and in a well-ventilated place. Keep away from sources of ignition - No smoking. In case of insufficient ventilation, wear suitable respiratory equipment. In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
EC-No.: 231-635-3 EC label

German regulations
Water pollution class 2 (polluting substance)

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16. Other information
Reason for alteration
Change in transport classification.
General update.

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