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CAS RN: 156-62-7 | Product Number: C0006

Calcium Cyanamide


Purity:
Chemical Substance Law (ENCS):   1-121
Synonyms:
Product Documents:
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Product Number C0006
Molecular Formula / Molecular Weight CCaN__2 = 80.10 
Physical State (20 deg.C) Solid
Storage Temperature Room Temperature (Recommended in a cool and dark place, <15°C)
Store Under Inert Gas Store under inert gas
Condition to Avoid Moisture Sensitive
CAS RN 156-62-7
Reaxys Registry Number 3912122
PubChem Substance ID 87565218
SDBS (AIST Spectral DB) 10626
Merck Index (14) 1662
MDL Number

MFCD00064894

Specifications
Appearance Light gray to Brown to Black powder to crystal
Nitorogen of cyanamide min. 19.5 %
Properties (reference)
GHS
Pictogram Pictogram Pictogram Pictogram Pictogram Pictogram
Signal Word Danger
Hazard Statements H302 : Harmful if swallowed.
H315 : Causes skin irritation.
H318 : Causes serious eye damage.
H371 : May cause damage to organs.
H335 : May cause respiratory irritation.
H411 : Toxic to aquatic life with long lasting effects.
H261 : In contact with water releases flammable gas.
Precautionary Statements P501 : Dispose of contents/ container to an approved waste disposal plant.
P273 : Avoid release to the environment.
P260 : Do not breathe dust/ fume/ gas/ mist/ vapors/ spray.
P270 : Do not eat, drink or smoke when using this product.
P231 + P232 : Handle under inert gas. Protect from moisture.
P271 : Use only outdoors or in a well-ventilated area.
P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ eye protection/ face protection.
P302 + P352 : IF ON SKIN: Wash with plenty of water.
P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.
P391 : Collect spillage.
P308 + P311 : IF exposed or concerned: Call a POISON CENTER/doctor.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P332 + P313 : If skin irritation occurs: Get medical advice/ attention.
P301 + P312 + P330 : IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. Rinse mouth.
P304 + P340 + P312 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/doctor if you feel unwell.
P305 + P351 + P338 + P310 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/doctor.
P403 + P233 : Store in a well-ventilated place. Keep container tightly closed.
P402 + P404 : Store in a dry place. Store in a closed container.
P405 : Store locked up.
Related Laws:
Chemical Substance Law (ENCS) 1-121
RTECS# GS6000000
Transport Information:
UN Number UN1403
Class 4.3
Packing Group III
Application
Preparation of Cyanamide

Typical Procedure:Glacial acetic acid 57 g (54 mL, 0.75 mol) and water 135 mL are placed in a large sized agate mortar and white thoroughly stirring, calcium cyanamide 40 g (0.50 mol) is slowly added and the mixture is grounded. Acetylene gas is generated, yielding a dull grayish to dark colored paste. Subsequently, the paste is dried at 40~50 ℃ for 12~18 hours under reduced pressure 30 mmHg to yield a gray powder which is placed in a Soxhlet extractor. The powder is extracted with 400 mL of ether containing several drops of dilute acetic acid for 2~3 hours (2×). The ether extraction is dried over anhydrous sodium sulfate (30 g). Concentration under a reduced pressure gives 10.5~15.8 g (50~75% from CaCN2) colorless viscous oil.

References

  • Org. Synth. 1963, Coll. Vol. 4, 645.


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