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多硫化钙

多硫化钙用途

用于防治农作物、果树的白粉病、锈病等病害，以及棉花红蜘蛛等

多硫化钙名称

[ CAS 号 ]:
1344-81-6

[ 中文名 ]:
石硫合剂

[ 英文名 ]:
Calcium sulfide (Ca(Sx))

[中文别名 ]:

[英文别名 ]:

calcium sulfane
Caswell No. 150
Neviken
Lime-sulfur
Zolfosol 25
Sulka
Orthorix
Lime sulphur
EINECS 215-709-2
Calcium polysulfide

多硫化钙物理化学性质

[ 分子式 ]:
CaS

[ 分子量 ]:
72.14300

[ 精确质量 ]:
71.93470

[ PSA ]:
32.09000

[ LogP ]:
0.64820

[ 蒸汽压 ]:
12600mmHg at 25°C

[ 储存条件 ]:
库房通风低温干燥,与食品、酸类分开储运

多硫化钙毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: EW4155000

CHEMICAL NAME :: Calcium sulfide

CAS REGISTRY NUMBER :: 1344-81-6

LAST UPDATED :: 199710

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Human - woman

DOSE/DURATION :: 562 mg/kg

TOXIC EFFECTS :: Behavioral - coma Cardiac - other changes Nutritional and Gross Metabolic - metabolic acidosis

REFERENCE :: JTCTDW Journal of Toxicology, Clinical Toxicology. (Marcel Dekker, 270 Madison Ave., New York, NY 10016) V.19- 1982- Volume(issue)/page/year: 35,299,1997

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Human - man

DOSE/DURATION :: 891 mg/kg

TOXIC EFFECTS :: Behavioral - muscle weakness Gastrointestinal - alteration in gastric secretion Nutritional and Gross Metabolic - metabolic acidosis

REFERENCE :: JTCTDW Journal of Toxicology, Clinical Toxicology. (Marcel Dekker, 270 Madison Ave., New York, NY 10016) V.19- 1982- Volume(issue)/page/year: 35,299,1997 *** 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

多硫化钙安全信息

[ 危害码 (欧洲) ]:
Xi: Irritant;N: Dangerous for the environment;

[ 风险声明 (欧洲) ]:
R31

[ 安全声明 (欧洲) ]:
28-61

多硫化钙制备

石硫合剂是用生石灰、硫黄加水煮制而成。先将硫黄粉用少量水调成糊状，慢慢倒入水中加热熬煮，沸腾后加入生石灰，边倒边搅拌，保持沸腾50～60min，直到锅中溶液的颜色变为红褐色，渣子开始变为绿色时即可。