氰氨化钙

氰氨化钙用途

一种碱性肥料，也是高效低毒多菌灵农药的主要原料之一，可用作除草剂、杀菌剂、杀虫剂防止血吸虫病的蔓延，预防根腐病、锈病、白霉病，可杀死钉螺、蚂蟥等)。还可用作棉花落叶剂和起改良土壤的作用。是有机合成工业及塑料工业的基本原料，可用于生产双氰胺、三聚氰胺和氰熔体等。

氰氨化钙名称

[ CAS 号 ]:
156-62-7

[ 中文名 ]:
氰氨化钙

[ 英文名 ]:
Calcium cyanamide

[中文别名 ]:

[英文别名 ]:

EINECS 205-861-8
MFCD00064894
Calcium cyanamide
cyanamide calcium salt (1:1)

氰氨化钙物理化学性质

[ 密度 ]:
2.29

[ 沸点 ]:
258.5ºC at 760 mmHg

[ 熔点 ]:
>300 °C(lit.)

[ 分子式 ]:
CCaN₂

[ 分子量 ]:
80.10210

[ 闪点 ]:
42.1ºC

[ 精确质量 ]:
79.96870

[ PSA ]:
36.15000

[ LogP ]:
0.20038

[ 外观性状 ]:
灰色至黑色颗粒

[ 储存条件 ]:
库房通风低温干燥,防潮,与氧化剂、卤素、强酸分开存放

氰氨化钙MSDS

氰氨化钙毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GS6000000

CAS REGISTRY NUMBER :: 156-62-7

LAST UPDATED :: 199712

DATA ITEMS CITED :: 33

MOLECULAR FORMULA :: C-N2.Ca

MOLECULAR WEIGHT :: 80.11

WISWESSER LINE NOTATION :: CA NCN

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Human

DOSE/DURATION :: 571 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 158 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >150 mg/m3/4H

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 125 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 334 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 100 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 282 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 1400 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 590 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 170 gm/kg/2Y-C

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Vascular - tumors

MUTATION DATA

TYPE OF TEST :: Mutation in microorganisms

TEST SYSTEM :: Bacteria - Salmonella typhimurium

REFERENCE :: ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For publisher information, see EMMUEG. Volume(issue)/page/year: 5(Suppl 1),3,1983 *** REVIEWS *** ACGIH TLV-Not classifiable as a human carcinogen DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 ACGIH TLV-TWA 0.5 mg/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 0.5 mg/m3 JAN 1993 OEL-AUSTRIA:TWA 1 mg/m3;Skin JAN 1993 OEL-DENMARK:TWA 0.5 mg/m3 JAN 1993 OEL-FINLAND:TWA 0.5 mg/m3;STEL 1.5 mg/m3 JAN 1993 OEL-FRANCE:TWA 0.5 mg/m3 JAN 1993 OEL-GERMANY:TWA 1 mg/m3;Skin JAN 1993 OEL-HUNGARY:TWA 0.5 mg/m3;STEL 1 mg/m3;Skin JAN 1993 OEL-THE NETHERLANDS:TWA 0.5 mg/m3 JAN 1993 OEL-RUSSIA:STEL 1 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 0.5 mg/m3;Skin JAN 1993 OEL-UNITED KINGDOM:TWA 0.5 mg/m3;STEL 1 mg/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO CALCIUM CYANAMIDE-air:10H TWA 0.5 mg/m3 REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 15730 No. of Facilities: 287 (estimated) No. of Industries: 2 No. of Occupations: 2 No. of Employees: 12607 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 15730 No. of Facilities: 249 (estimated) No. of Industries: 2 No. of Occupations: 3 No. of Employees: 4390 (estimated)

氰氨化钙安全信息

[ 符号 ]:

GHS02, GHS05, GHS07

[ 信号词 ]:
Danger

[ 危害声明 ]:
H261-H302-H315-H317-H318-H335

[ 警示性声明 ]:
P231 + P232-P280-P301 + P312 + P330-P304 + P340 + P312-P305 + P351 + P338 + P310-P333 + P313

[ 个人防护装备 ]:
dust mask type N95 (US);Eyeshields;Faceshields;Gloves

[ 危害码 (欧洲) ]:
Xn:Harmful;

[ 风险声明 (欧洲) ]:
R22;R37;R41

[ 安全声明 (欧洲) ]:
26-39-43-36/37/39-22

[ 危险品运输编码 ]:
UN 1403 4.3/PG 3

[ WGK德国 ]:
2

[ RTECS号 ]:
GS6000000

[ 包装等级 ]:
III

[ 危险类别 ]:
4.3

[ 海关编码 ]:
3102901000

氰氨化钙合成路线

氰氨化钙上下游产品

氰氨化钙上游产品

氰氨化钙下游产品

氰氨化钙制备

1.将电石粉碎、渗入1-3%萤石或氯化钙，混匀，在回转窑内加热到约1100℃，通入氮气反应后即是产品。氮化法将电石破碎后均匀配入萤石及回炉石灰，经球磨机磨成电石粉末，再进入氮化炉，在1000℃高温下与氮气反应，经42～48h后生成石灰氮，熔块取出经粉碎及管磨机细碎，制得氰氨化钙成品。其反应式如下：
2.先将纯HCN在CaCl2及P2O5干燥器中干燥，然后收集在充分冷却的接受器中，数量为理论量的三倍。将氮气鼓泡导入容器(最好掺些氨气)以置换HCN，另于瓷管中放置装有CaCO3的瓷舟。当瓷管温度达700℃或850℃时，导入HCN。将HCN接受器升温至18℃，加热3h可得产物。

氰氨化钙海关

[ 海关编码 ]: 3102901000

氰氨化钙文献

Synthesis of novel phosphorylated guanidine derivatives from cyanamide and their anti-inflammatory activity.

Chem. Pharm. Bull. 61(1) , 25-32, (2013)

A series of novel guanidine derivatives were synthesized in three steps and their anti-inflammatory activities in vitro and in vivo evaluated. 2-Aminopyridin-3-ol (1) was reacted with thiophosphoryl c...

Quantification of canavanine, 2-aminoethanol, and cyanamide in Aphis craccivora and its host plants, Robinia pseudoacacia and Vicia angustifolia: effects of these compounds on larval survivorship of Harmonia axyridis.

J. Chem. Ecol. 38(12) , 1552-60, (2012)

The cowpea aphid Aphis craccivora that infests the black locust Robinia pseudoacacia shows toxicity to its predator, the multicolored Asian ladybird beetle, Harmonia axyridis. In contrast, the same ap...

Opposite motor responses elicited by ethanol in the posterior VTA: the role of acetaldehyde and the non-metabolized fraction of ethanol.

Neuropharmacology 72 , 204-14, (2013)

Recent electrophysiological evidence suggests that ethanol simultaneously exerts opposite effects on the activity of dopamine (DA) neurons in the ventral tegmental area (VTA) through two parallel mech...

更多文献

氰氨化钙相关知识

氰氨化钙的制备和用途

2022-05-06 17:15:01

氰氨化钙又称石灰氮，将碳化钙(电石)粉在高温(1000℃)下通入氮气经氮化而制成的氮肥。纯品为白色固体，含氮量35%(N)，农用商品氰氨化钙约含60%CaCN2、10%C和20%～28%CaO，含氮量18%～23%，为黑色粉末。微溶于水，呈强碱性，适用于酸性土壤。施入酸性土壤后，CaCN2与土壤水...