风险类别：

2.1

海关代码：

2846901100

危险类别码：

R36/37/38

安全说明：

S26-S37/39

安全标志：

S26:万一接触眼睛，立即使用大量清水冲洗并送医诊治。
S36:穿戴合适的防护服装。

危险标志：

Xi:Irritant;

CHEMICAL IDENTIFICATION

RTECS NUMBER :

ZG3850000

CHEMICAL NAME :

Yttrium trioxide

CAS REGISTRY NUMBER :

1314-36-9

LAST UPDATED :

199712

DATA ITEMS CITED :

22

MOLECULAR FORMULA :

O3-Y2

MOLECULAR WEIGHT :

225.82

WISWESSER LINE NOTATION :

YT2 O3

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

>10 gm/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 22(7),55,1978

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

230 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,121,1982

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

>6 gm/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 22(7),55,1978

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

430 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,121,1982 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

10 mg/m3/6H/17W-I

TOXIC EFFECTS :

Blood - change in clotting factors Blood - changes in cell count (unspecified)

REFERENCE :

GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 22(7),55,1978 *** REVIEWS *** ACGIH TLV-TWA 1 mg(Y)/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 TOXICOLOGY REVIEW JPMSAE Journal of Pharmaceutical Sciences. (American Pharmaceutical Assoc., 2215 Constitution Ave., NW, Washington, DC 20037) V.50- 1961- Volume(issue)/page/year: 54,663,1965 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 1 mg(Y)/m3 JAN 1993 OEL-BELGIUM:TWA 1 mg(Y)/m3 JAN 1993 OEL-DENMARK:TWA 1 mg(Y)/m3 JAN 1993 OEL-FINLAND:TWA 1 mg(Y)/m3 JAN 1993 OEL-FRANCE:TWA 1 mg(Y)/m3 JAN 1993 OEL-GERMANY:TWA 5 mg(Y)/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 1 mg(Y)/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 5 ppm (25 mg(Y)/m3) JAN 1993 OEL-RUSSIA:STEL 2 ppm JAN 1993 OEL-SWITZERLAND:TWA 1 mg(Y)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 1 mg(Y)/m3;STEL 3 mg(Y)/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 OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X2924 No. of Facilities: 6 (estimated) No. of Industries: 2 No. of Occupations: 3 No. of Employees: 1414 (estimated) No. of Female Employees: 540 (estimated)

毒理学数据：

急性毒性：小鼠口经LDLo：>10gm/kg；小鼠腹经LD50：230mg/kg；
吸入含有钇粉尘，有职业性尘肺，其氯化物对皮肤有损伤，能刺激眼睛的黏膜。最高容许浓度氧化钇5mg/m3 。

生态数据：

通常对水是不危害的，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：225.796442 Da

8、标称质量：226 Da

9、平均质量：225.8099 Da

计算化学数据

1、   疏水参数计算参考值（XlogP）：

2、   氢键供体数量：0

3、   氢键受体数量：3

4、   可旋转化学键数量：0

5、   互变异构体数量：

6、   拓扑分子极性表面积（TPSA）：43.4

7、   重原子数量：5

8、   表面电荷：0

9、   复杂度：34.2

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：1

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  氧化钇红外图谱(IR1)