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凹凸棒石

凹凸棒石用途

凹凸棒石黏土矿以凹凸棒石为主要矿物组分。在化学工业中主要用作尿素和粒状肥料的凝固防止剂、橡胶的加工助剂、聚酯树脂的黏土触变增稠剂、农药的载体、二氨基苯甲烷和二氯乙烷的催化剂、塑料的填充剂和发泡灵脱色剂等。

凹凸棒石名称

[ CAS 号 ]:
12174-11-7

[ 中文名 ]:
阿塔凝胶

[ 英文名 ]:
ATTAPULGITE

[中文别名 ]:

凹凸棒

[英文别名 ]:

attapulg
attasorb
Attaclay
zeogel
DILUEX
rvm-fg
Attagel
x250
Permagel
attacote

凹凸棒石物理化学性质

[ 分子式 ]:
Al₂H₆Mg₃O₁₈Si₆

[ 分子量 ]:
589.42800

[ 闪点 ]:
n/a

[ 精确质量 ]:
587.73500

[ PSA ]:
379.14000

[ 外观性状 ]:
固体

[ 储存条件 ]:
室温

[ 稳定性 ]:
Stable.

凹凸棒石毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: RT6400000

CHEMICAL NAME :: Palygorskite

CAS REGISTRY NUMBER :: 12174-11-7

LAST UPDATED :: 199710

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 10 mg/m3/6H/13W-I

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Lungs, Thorax, or Respiration - tumors

REFERENCE :: BJIMAG British Journal of Industrial Medicine. (British Medical Journal, Box 560B, Kennebunkport, ME 04046) V.1- 1944- Volume(issue)/page/year: 44,749,1987

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 338 mg/kg/2W-I

TOXIC EFFECTS :: Tumorigenic - neoplastic by RTECS criteria Tumorigenic - tumors at site of application

REFERENCE :: ZHPMAT Zentralblatt fuer Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene, Abteilung 1: Originale, Reihe B: Hygiene, Krankenhaushygiene, Betriebshygiene, Praeventive Medizin. (Stuttgart, Fed. Rep. Ger.) V.155-169, 1971-1979. For publisher information, see ZAOMDC. Volume(issue)/page/year: 162,467,1976

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Implant

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 200 mg/kg

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Tumorigenic - tumors at site of application

REFERENCE :: JJIND8 JNCI, Journal of the National Cancer Institute. (Washington, DC) V.61-79, 1978-87. For publisher information, see JNCIEQ. Volume(issue)/page/year: 67,965,1981 *** REVIEWS *** IARC Cancer Review:Animal Limited Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 42,159,1987 IARC Cancer Review:Animal Sufficient (>5um) IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 68,245,1997 IARC Cancer Review:Human Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 42,159,1987 IARC Cancer Review:Human Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 68,245,1997 IARC Cancer Review:Animal Inadequate (<5um) IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 68,245,1997 IARC Cancer Review:Group 2B (fibre >5um) IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 68,245,1997 IARC Cancer Review:Group 3 (fibre >5um) IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 68,245,1997 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X2204 No. of Facilities: 576 (estimated) No. of Industries: 8 No. of Occupations: 9 No. of Employees: 8199 (estimated)

凹凸棒石制备

我国目前开采矿山不多，开采规模和产量都不大。多为露天开采，机械化程度较低。常用的选矿方法是手选，有时也用筛选法除去一部分较粗杂质。凹凸棒石黏土的加工工艺大致分为挤压、研磨、热处理、添加分散剂及表面活性剂四个步骤。