CAS 7631-86-9 MFCD00011232-Silicon dioxide 石英砂 TAO{mole}

Silicon dioxide 石英砂

CAS 7631-86-9 MFCD00011232

化学结构图

SMILES: O=[Si]=O

化学属性

Mol. Formula	SiO2
Mol. Weight	60.08
Boiling Point	>100 °C at 760 mmHg
Melting Point	>1600 °C
Density	1.356
TSCA	Yes
Refractive index	n20/D 1.544(lit.)
Solubility	Insoluble in water and acids. Soluble in HF. Very slightly soluble in alkalies
Stability	对湿度敏感
Appearance	white solid

别名和识别编码

Chemical Name	Silicon dioxide
MDL Number	MFCD00011232
PubChem Substance ID	24883286
CAS Number	7631-86-9
EC Number	231-545-4
Synonym	Silicon {LY} Silicon {} {LY} Silicon {} {} {LY} Silicon {} {} {} {LY} Silicon {} {} {} {} {LY} Silicon {} {} {} {} {} {LY} Silicon {} {} {} {} {} {} {LY} Silicon {} {} {} {} {} {} {} {LY} Silicon {} {} {} {} {} {} {} {} {LY} Silicon {} {} {} {} {} {} {} {} {} {LY} Silicon {} {} {} {} {} {} {} {} {} {} {LY} Silicon {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Silicon {} {} {} {} {} {} {} {} {} {} {} {} {LY} Silicon {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Silicon {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Silicon {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Silicon {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Silicon {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Silicon
Reaxys-RN	3902804
Merck Number	8493
Chemical Name Translation	石英砂
Beilstein Registry Number	3902804
InChIKey	VYPSYNLAJGMNEJ-UHFFFAOYSA-N
Wiswesser Line Notation	SI O2
LabNetwork Molecule ID	LN00195188
Canonical SMILES	O=[Si]=O

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产品应用

制造玻璃陶瓷，磨蚀剂，油类的脱色，提纯硅铁，分析测定硼、砷和银等。

安全信息

RTECS\u000d\u000aVV7310000

WGK Germany2

Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter Eyeshields, Gloves Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter dust mask type N95 (US), Eyeshields, Faceshields, Gloves Gloves dust mask type N95 (US), Eyeshields, Gloves dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter

Hazard Codes 3 N T,N Xn

Precautionary statements

P201 Obtain special instructions before use. 使用前获取专门指示。
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. 远离热源/火花/明火/热的表面。——禁止吸烟。
P260 Do not breathe dust/fume/gas/mist/vapours/spray. 不要吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
P273 Avoid release to the environment. 避免释放到环境中。
P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
P305+P351+P338
P308+P313
P314 Get medical advice/attention if you feel unwell. 获取医疗咨询/就医，如果你觉得不舒服
P337+P313
P403+P235
P501a

Signal word Danger Warning

Hazard statements

H320 Causes eye irritation 刺激眼睛
H373 May causes damage to organs through prolonged or repeated exposure 长期或频繁接触可能会损伤器官
H319 Causes serious eye irritation 严重刺激眼睛
H335 May cause respiratory irritation 可能导致呼吸道刺激
H317 May cause an allergic skin reaction 可能导致皮肤过敏
H315 Causes skin irritation 会刺激皮肤
H412 Harmfutoaquaticlifewithlonglastingeffects 对水生生物有害并具有长期影响。

GHS Symbol

Safety Statements

S16 Keep away from sources of ignition - No smoking 远离火源，禁止吸烟；
S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后，立即用大量水冲洗并征求医生意见；
S36 Wear suitable protective clothing 穿戴适当的防护服；
S36/37 Wear suitable protective clothing and gloves 穿戴适当的防护服和手套；
S39 Wear eye/face protection 戴眼睛/面孔保护装置；
S45 In case of accident or if you feel unwell seek medical advice immediately (show the label where possible) 发生事故时或感觉不适时，立即求医（可能时出示标签）；
S53 Avoid exposure - obtain special instructions before use 避免接触，使用前获得特别指示说明；
S60 This material and its container must be disposed of as hazardous waste 该物质及其容器必须作为危险废物处置；
S61 Avoid release to the environment. Refer to special instructions/safety data sheet 避免释放到环境中，参考特别指示/安全收据说明书；
S9 Keep container in a well-ventilated place 保持容器在通风良好的场所；

Risk Statements

R11 Highly flammable 非常易燃
R20 Harmful by inhalation 吸入有害
R36/37 Irritating to eyes and respiratory system 对眼睛和呼吸系统有刺激性
R37 Irritating to respiratory system 刺激呼吸道
R43 May cause sensitisation by skin contact 皮肤接触会产生过敏反应

Storage condition Store at room temperature, keep dry and cool {LY} Store at room temperature, keep dry and cool {} {LY} Store at room temperature, keep dry and cool {} {} {LY} Store at room temperature, keep dry and cool {} {} {} {LY} Store at room temperature, keep dry and cool {} {} {} {} {LY} Store at room temperature, keep dry and cool {} {} {} {} {} {LY} Store at room temperature, keep dry and cool {} {} {} {} {} {} {LY} Store at room temperature, keep dry and cool {} {} {} {} {} {} {} {LY} Store at room temperature, keep dry and cool {} {} {} {} {} {} {} {} {LY} Store at room temperature, keep dry and cool {} {} {} {} {} {} {} {} {} {LY} Store at room temperature, keep dry and cool {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature, keep dry and cool {} {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature, keep dry and cool {} {} {} {} {} {} {} {} {} {} {} {} {LY} Store at room temperature, keep dry and cool {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Store

UN Number 1170

Packing GroupII

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Implant
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 900 mg/kg
TOXIC EFFECTS :
   Tumorigenic - neoplastic by RTECS criteria
   Gastrointestinal - tumors
   Tumorigenic - tumors at site of application
REFERENCE :
   AICCA6 Acta Unio Internationalis Contra Cancrum.  (Louvain, Belgium) V.1-20,
   1936-64.  For publisher information, see IJCNAW. Volume(issue)/page/year:
   10,119,1954

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 90 mg/kg
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Blood - lymphoma, including Hodgkin's disease
REFERENCE :
   JNCIAM Journal of the National Cancer Institute.  (Washington, DC)  V.1-60,
   1940-78.  For publisher information, see JJIND8.  Volume(issue)/page/year:
   57,509,1976

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 45 mg/kg
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic 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            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 50 mg/m3/6H/71W-I
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Liver - tumors
REFERENCE :
   ENVR

{h

TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 40 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JNCIAM Journal of the National Cancer Institute.  (Washington, DC)  V.1-60,
   1940-78.  For publisher information, see JJIND8.  Volume(is

TYPE OF TEST            : LDLo - Lowest

TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 90 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JNCIAM Journal of the National Cancer Institute.  (Washington, DC)  V.1-60,
   1940-78.  For publisher information, see JJIND8.  Volume(issue)/page/year:
   57,509,1976

TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Human
DOSE/DURATION           : 16 mppcf/8H/17.9Y-I
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - fibrosis, focal (pneumoconiosis)
   Lungs, Thorax, or Respiration - cough
   Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: PB246-697

TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intratracheal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 200 mg/kg
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - fibrosis, focal (pneumoconiosis)
REFERENCE :
   BJIMAG British Journal of Industrial Medicine.  (British Medical Journal,
   Box 560B, Kennebunkport, ME 04046)  V.1-    1944-  Volume(issue)/page/year:
   10,9,1953

TYPE OF TEST            : Micronucleus test
TEST SYSTEM             : Rodent - hamster Lung
DOSE/DURATION           : 160 ug/cm2
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 335,27,1995

TYPE OF TEST            : Micronucleus test
TEST SYSTEM             : Human Lung
DOSE/DURATION           : 40 ug/cm2
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 335,27,1995

其他信息

含铁较高的是淡黄色。不溶于水和酸（除氢氟酸），溶于氢氟酸而成四氟化硅气体，能溶于碱。