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Calcium cyanamide CAS:156-62-7

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CAS No.:

156-62-7

Grade:

Industrial Grade

Content:

99%

Port:

SHANGHAI

Brand:

Orient

Packaging:

25kg/bag,500kg/bag, customized

Price valid (until):

2025-12-26

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Qingdao Orient Chemical Co.,LTD

Company Type:

Trader

Location:

China

Qualification:

Main Products:

pharmaceutical intermediates,peptides,electronic chemicals

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Product Description
Seller Information
Inquiry History

Description

Calcium cyanamide Basic information

Product Name:	Calcium cyanamide
Synonyms:	CYANAMIDE, CALCIUM DERIVATIVE;CYANAMIDE CALCIUM SALT;Calcium carbimide;CALCIUM CYANAMIDE;calcium cyanamide, tech.;CALCIUMCYANAMIDE,TECHNICAL;calcium cyanarnide;Cyanamide calcium derivative, Cyanamide calcium salt
CAS:	156-62-7
MF:	CCaN2
MW:	80.1
EINECS:	205-861-8
Product Categories:	Inorganics;Pharmaceutical Intermediates
Mol File:	156-62-7.mol

Calcium cyanamide Chemical Properties

Melting point	>300 °C(lit.)
density	2.29
vapor pressure	0.51Pa at 20℃
solubility	reacts with H2O
form	Powder
Specific Gravity	2.29
color	Gray to dark gray
Odor	Odorless
Water Solubility	insoluble H2O, but undergoes hydrolysis releasing acetylene and ammonia [HAW93] [MER06]
Sensitive	Moisture Sensitive
Merck	14,1662
BRN	4124391
InChIKey	QFSRQFUIHVTIDL-UHFFFAOYSA-N
LogP	-0.72 at 20℃
CAS DataBase Reference	156-62-7(CAS DataBase Reference)
EPA Substance Registry System	Calcium cyanamide (156-62-7)

Safety Information

Hazard Codes	Xn,F
Risk Statements	22-37-41-15-43-37/38
Safety Statements	26-39-43-36/37/39-22-45-28
RIDADR	UN 1403 4.3/PG 3
OEB	C
OEL	TWA: 0.5 mg/m3
WGK Germany	2
RTECS	GS6000000
F	9-21
TSCA	Yes
HazardClass	4.3
PackingGroup	III
HS Code	31029010
Hazardous Substances Data	156-62-7(Hazardous Substances Data)

Calcium cyanamide Usage And Synthesis

Description	Calcium cyanamide is a blackish-gray, shinycrystalline material or powder. Molecular weight=80.11;Specific gravity (H2O:1)=2.29; Freezing/Melting point 51340℃ (sublimes .1500℃). Hazard Identification (basedon NFPA-704 M Rating System): Health 3, Flammability 1,Reactivity 1. Insoluble in water; reaction.
Chemical Properties	Calcium cyanamide is a blackish-gray, shiny crystalline material or powder.
Physical properties	Pure product is a colorless, hexagonal crystal or white powder. Commercial grade material may be grayish-black powder or lump (the color is due to presence of calcium carbide and other impurities); density 2.29 g/cm³; melts around 1,340°C; sublimes around 1,150 to 1,200°C on rapid heating; reacts with water.
Uses	Manufacture of calcium cyanide and dicyandiamide; formerly used as a defoliant and herbicide
Uses	Calcium Cyanamide is used as a fertilizer, herbicide, insecticide, a steel-making additive and an ore processing material. It can also be used to make thiourea, guanidine and ferrocyanides. manufacture of calcium cyanide, melamine, dicyandiamide.
Uses	Calcium cyanamide has its major use as a fertilizer. However, it has a number of other uses, such as a herbicide and a defoliant for cotton plants. It is finding increasing use as a chemical intermediate. For example, it is being used to produce dicyandiamide, which in turn can be polymerized to form the widely used monomer, melamine. The conversion to calcium cyanide and hence into a variety of other uses is also important commercially.
Definition	ChEBI: The calcium salt of cyanamide, formed when calcium carbide reacts with nitrogen
Definition	calcium cyanamide: A colourlesssolid, CaCN2, which sublimes at1300°C. It is prepared by heating calciumdicarbide at 800°C in a streamof nitrogen: CaC_2(s) + N_2(g) → CaCN_2(s) + C_(s) The reaction has been used as amethod of fixing nitrogen in countriesin which cheap electricity isavailable to make the calcium dicarbide(the cyanamide process). Calciumcyanamide can be used as afertilizer because it reacts with waterto give ammonia and calcium carbonate: CaCN_2(s) + 3H₂O_(l) → CaCO_3(s) +2NH_3(g) It is also used in the production ofmelamine, urea, and certain cyanidesalts.
Production Methods	Calcium cyanamide was first produced commercially around 1900 as a fertilizer. The process of making calcium cyanamide involves three raw materials—coke, coal, and limestone— plus nitrogen. The limestone (calcium carbonate) is burned with coal to produce calcium oxide. The calcium oxide is then allowed to react with amorphous carbon in the furnace at 2000°C with the formation of calcium carbide (CaC2). Finely powdered calcium carbide is heated to 1000°C in an electric furnace into which pure nitrogen is passed. It is then removed and uncombined calcium carbide removed by leaching.
Preparation	Calcium cyanamide is prepared from calcium carbide. The carbide powder is heated at about 1,000°C in an electric furnace into which nitrogen is passed for several hours. The product is cooled to ambient temperatures and any unreacted carbide is leached out cautiously with water. CaC₂ + N₂ → CaCN₂ + C (ΔHƒ°= –69.0 kcal/mol at 25°C)

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—— Q&A ——

Q1:Do you provide sample?

A: Yes, we can provide free sample, you only need pay the shipping cost.

Q2: What is the lead time?

A: For stock goods, it usually take about 5-7 days by air, 15-30 days by sea,For customized products, the delivery time needs to be confirmed based on the actual situation.

Q3: How can I buy? What is the payment method?

A: You can contract us through Email or you can browse our website:orientchem.cc, we have bank transfer,

A：We attach great importance to after-sales service of our products. If there are any quality issues, please contact us within 30 days of receiving the goods and we will handle returns and exchanges for you.

Certificates

Basic Info

Product Name:

Calcium cyanamide

Other Name:

Cyanamide,calcium salt (1:1);Calcium cyanamide;Calcium carbimide;Cyanamid;Lime nitrogen;Nitrogen lime;Nitrolim;Nitrolime;CCC;Alzodef;Cy-L 500;Calcium cyanamide (CaCN2);Perlka;Cyanoiminocalcium;1015936-91-0;1202864-94-5;1203558-43-3;1215336-73-4;2195408-26-3

CAS No.:

156-62-7

Molecular Formula:

CH2N2.Ca

InChIKeys:

InChIKey=LHQWDZSUXOBDOJ-UHFFFAOYSA-N

Molecular Weight:

80.1

Exact Mass:

186.06808

EC Number:

205-861-8

HScode:

3102901000

Categories:

Bulk Drug Intermediates

Characteristics

PSA:

26.3

XLogP3:

0.20038

Appearance:

Gray to dark gray Powder

Density:

2.29 g/cm³ @ Temp: 20 °C

Melting Point:

1340 °C

Boiling Point:

258.5ºC at 760 mmHg

Flash Point:

42.1ºC

Toxicity:

Oral-Rat LD50: 158 mg/kg; Oral-Mouse LD50: 334 mg/kg

Flammability characteristics:

Toxic ammonia and acetylene gas are flammable when exposed to water, moist air, and acid; thermal decomposition releases toxic nitrogen oxides and cyanide fumes

See More Calcium cyanamide Properties 

Hazard Identification

Classification of the substance or mixture

Acute toxicity - Category 4, Oral

Serious eye damage, Category 1

Specific target organ toxicity â single exposure, Category 3

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H302 Harmful if swallowed H318 Causes serious eye damage H335 May cause respiratory irritation
Prevention	P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area.
Response	P301+P317 IF SWALLOWED: Get medical help. P330 Rinse mouth. P305+P354+P338 IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P317 Get medical help. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P319 Get medical help if you feel unwell.
Storage	P403+P233 Store in a well-ventilated place. Keep container tightly closed. P405 Store locked up.
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

NO contact with water. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Keep in a well-ventilated room. Dry. Well closed. Separated from food and feedstuffs.

See More Calcium cyanamide Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
pharmaceutical intermediates,peptides,electronic chemicals

Location:
Room 102, 1st Floor, East Office Building, No. 45 Pengwan Road, Qianwan Bonded Port Area, Qingdao Zone, China (Shandong) Pilot Free Trade Zone

Payment Terms:
100% TT in advance

Average lead Time:
10

Total Annual Revenue:
$10 million-$25 million

Total Employees:
51-100

Year of Establishment:
2024

A reliable supplier is like insurance.

We are mainly specilized in supply of pharmaceutical intermediates, electronic chemicals，food additives, and other fine chemical products.
Integrity is the foundation, quality is life. We would like to work together with you to build a greener and brighter future.

Website: orientchem.cc
Email: scarlett@orientchem.cc
WhatsApp: +86 17753254221

Inquiry History

5 Inquiries

Country	Product	Purchase Quantity	Date Posted
India	Calcium cyanamide	20 MT	Oct 3, 2025
India	Calcium Cyanamide granular	10 MT	Sep 22, 2025
Kazakstan	Calcium cyanamide	300 MT	Jun 8, 2026
India	Calcium Cyanmide	10 MT	Sep 30, 2025
India	Calcium Cyanamide	9200 KG	Mar 15, 2024

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