氧化镓

外观与性状：

白色无臭粉末

密度：

5.88

熔点：

1740ºC

折射率：

1.92

存储条件/存储方法：

库房通风低温干燥

稳定性相关：

常温常压下稳定

避免光，明火，高温

是极难挥发的氧化物。另外，由于灼烧强度不同，对酸的溶解度也有差别，在低温灼烧的产品虽然可溶解于酸、碱，但高温灼烧的产品就是不溶的。有机镓化合物的热分解虽然也可生成三氧化二镓，但必须注意未燃烧碳的还原作用，不要生成挥发性低级氧化物Ga2O，和滤纸一起灼烧时，也同样要注意。

其它信息：

1.       性状：α-Ga2O3为六方晶型，β-Ga2O3属于单斜晶型。

2.       密度（g/mL,25℃）：未确定

3.       相对蒸汽密度（g/mL,空气=1）：未确定

4.       熔点（ºC）：1740

5.       沸点（ºC,常压）：未确定

6.       沸点（ºC，1mmHg）：未确定

7.       折射率：未确定

8.       闪点（ºC）：未确定

9.       比旋光度（º）：未确定

10.    自燃点或引燃温度（ºC）：未确定

11.    蒸气压（20ºC）：未确定

12.    饱和蒸气压（kPa,60ºC）：未确定

13.    燃烧热（KJ/mol）：未确定

14.    临界温度（ºC）：未确定

15.    临界压力（KPa）：未确定

16.    油水（辛醇/水）分配系数的对数值：未确定

17.    爆炸上限（%,V/V）：未确定

18.    爆炸下限（%,V/V）：未确定

19.    溶解性：不溶于水。微溶于热酸或碱溶液。

安全说明：

S24/25

安全标志：

S24/25:防止皮肤和眼睛接触。

CHEMICAL IDENTIFICATION

RTECS NUMBER :

LW9650000

CHEMICAL NAME :

Gallium oxide

CAS REGISTRY NUMBER :

12024-21-4

LAST UPDATED :

199701

DATA ITEMS CITED :

9

MOLECULAR FORMULA :

Ga2-O3

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Intratracheal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

250 mg/kg

TOXIC EFFECTS :

Lungs, Thorax, or Respiration - fibrosis, focal (pneumoconiosis)

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: 9(6),45,1965

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

10 gm/kg

TOXIC EFFECTS :

Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Behavioral - somnolence (general depressed activity) Behavioral - food intake (animal)

REFERENCE :

GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 45(10),13,1980

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

5 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: 9(6),45,1965

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Mammal - species unspecified

DOSE/DURATION :

10 gm/kg

TOXIC EFFECTS :

Behavioral - excitement Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression

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: 31(6),58,1987 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

27 mg/m3/2H/4W-I

TOXIC EFFECTS :

Lungs, Thorax, or Respiration - changes in lung weight Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - phosphatases Biochemical - Metabolism (Intermediary) - other proteins

REFERENCE :

JTEHD6 Journal of Toxicology and Environmental Health. (Hemisphere Pub., 1025 Vermont Ave., NW, Washington, DC 20005) V.1- 1975/76- Volume(issue)/page/year: 27,123,1989

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Mammal - species unspecified

DOSE/DURATION :

107 mg/m3/4W-I

TOXIC EFFECTS :

Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Nutritional and Gross Metabolic - weight loss or decreased weight gain Nutritional and Gross Metabolic - body temperature increase

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: 31(6),58,1987

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Mammal - species unspecified

DOSE/DURATION :

10100 ug/m3/17W-I

TOXIC EFFECTS :

Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Nutritional and Gross Metabolic - changes in sodium Nutritional and Gross Metabolic - changes in phosphorus

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: 31(6),58,1987 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 3 mg/m3 JAN 1993

毒理学数据：

无毒。

生态数据：

通常对水体是稍微有害的，不要将未稀释或大量产品接触地下水，水道或污水系统，未经政府许可勿将材料排入周围环境。

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: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:无

6.拓扑分子极性表面积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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  氧化镓红外图谱(IR1)