安全说明：

22-24/25

危险标志：

Xn

CHEMICAL IDENTIFICATION

RTECS NUMBER :

GF1670500

CHEMICAL NAME :

Clay (kaolin)

CAS REGISTRY NUMBER :

1332-58-7

LAST UPDATED :

199712

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

590 gm/kg

SEX/DURATION :

female 37 day(s) pre-mating female 1-22 day(s) after conception

REFERENCE :

JONUAI Journal of Nutrition. (Subscription Dept., 9650 Rockville Pike, Bethesda, MD 20014) V.1- 1928- Volume(issue)/page/year: 107,2020,1977 *** 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 2 mg/m3, respirable dust 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 2 mg/m3, total dust 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 *** MSHA STANDARD:NUISANCE PARTICULATES DTLWS* "Documentation of the Threshold Limit Values for Substances in Workroom Air," Supplements. For publisher information, see 85INA8. Volume(issue)/page/year: 3,21,1973 OSHA PEL (Gen Indu):8H TWA 15 mg/m3, total dust CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Gen Indu):8H TWA 5 mg/m3, respirable fraction CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 15 mg/m3, total dust CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Construc):8H TWA 5 mg/m3, respirable fraction CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 15 mg/m3, total dust CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Shipyard):8H TWA 5 mg/m3, respirable fraction CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 10 mg/m3 JAN 1993 OEL-BELGIUM:TWA 10 mg/m3 JAN 1993 OEL-FRANCE:TWA 10 mg/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 10 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 6 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 KAOLIN, respirable fraction-air:10H TWA 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 RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO KAOLIN, total dust-air:10H TWA 10 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 - 41775 No. of Facilities: 14181 (estimated) No. of Industries: 111 No. of Occupations: 88 No. of Employees: 155396 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X1959 No. of Facilities: 3 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 17 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X6880 No. of Facilities: 1734 (estimated) No. of Industries: 23 No. of Occupations: 24 No. of Employees: 25166 (estimated) No. of Female Employees: 3162 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X9449 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 1354 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X9507 No. of Facilities: 62 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 125 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 41775 No. of Facilities: 43700 (estimated) No. of Industries: 240 No. of Occupations: 156 No. of Employees: 745593 (estimated) No. of Female Employees: 114032 (estimated)

生态数据：

对是水稍微有危害的不要让未稀释或大量的产品接触地下水、水道或者污水系统，若无政府许可，勿将材料排入周围环境。

分子结构数据

1、摩尔折射率：无可用的

2、摩尔体积（cm³/mol）：无可用的

3、等张比容（90.2K）：无可用的

4、表面张力（dyne/cm）：无可用的

5、介电常数：无可用的

6、极化率（10^-24cm³）：无可用的

7、单一同位素质量：257.90246 Da

8、标称质量：258 Da

9、平均质量：258.1604 Da

计算化学数据

1.疏水参数计算参考值（XlogP）:无

2.氢键供体数量:2

3.氢键受体数量:9

4.可旋转化学键数量:4

5.互变异构体数量:无

6.拓扑分子极性表面积98

7.重原子数量:13

8.表面电荷:0

9.复杂度:167

10.同位素原子数量:0

11.确定原子立构中心数量:0

12.不确定原子立构中心数量:0

13.确定化学键立构中心数量:0

14.不确定化学键立构中心数量:0

15.共价键单元数量:3