Silicon 硅

CAS 7440-21-3 MFCD00085311

化学结构图

7440-21-3
SMILES: [Si]

化学属性

Density2.33 g/mL at 25 °C(lit.)
Boiling Point2355 °C(lit.)
Melting Point1410 °C (lit.)
TSCAYes
Refractive index1.413
Solubility起反应
Mol. FormulaSi
Mol. Weight28
Appearance brown pwdr.
Stabilityair sensitive

别名和识别编码

Chemical NameSilicon
Synonym SILICON AA SINGLE ELEMENT STANDARD 泡沫碱 SILICON SINGLE ELEMENT PLASMA STANDARD SILICON METAL 硅 粉状泡花碱 硅酸钠 九水 SILICON AA/ICP CALIBRATION/CHECK STANDARD Polyeristalline silicon powder SILICON ICP STANDARD { SILICON ICP/DCP STANDARD 水玻璃(液体) SILICON METALLO-ORGANIC STANDARD SILICON AA STANDARD SILICON STANDARD RM(1)-粉状硅酸钠 SILICON, OIL BASED STANDARD SOLUTION SILICON SINGLE ELEMENT STANDARD 水玻璃 SILICON PLASMA EMISSION SPECTROSCOPY STANDARD SILICON ATOMIC SPECTROSCOPY STANDARD 水玻璃,硅酸钠 SILICON ATOMIC ABSORPTION SINGLE ELEMENT STANDARD 矽酸鈉 矽
EC Number231-130-8
PubChem Substance ID5461123
Chemical Name Translation硅
Merck Number13,8751
InChIKeyNTHWMYGWWRZVTN-UHFFFAOYSA-N
LabNetwork Molecule IDLN00193986
MDL NumberMFCD00085311
CAS Number7440-21-3
InChIInChI=1S/Si
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分类

  • {SNA} Metal and Ceramic Science
  • {SNA} 14: Si, Materials Science, Metal and Ceramic Science, Metals, Nanomaterials, Nanoparticles: Materials by Application, Nanoparticles: Metals and Metal Alloys, Nanopowders and Nanoparticle Dispersions, Phosphors and Phosphor Hosts, Silicon
  • {SNA} Electronic Materials, Micro/NanoElectronics,
  • {SNA} 3D Printing Materials for Re

相关文献及参考

  • Merck 14 ,8491
  • Aldrich MSDS 1 , 1601:C / Aldrich MSDS 1 , 1601:B / Corp MSDS 1 (2), 2090:C / Corp MSDS 1 (2), 3090:C / Corp MSDS 1 (2), 3090:D / RegBook 1 (3), 3217:C / RegBook 1 (3), 3217:D

安全信息

WGK Germany2
Precautionary statements
  • 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。
  • P310 Immediately call a POISON CENTER or doctor/physician. 立即呼救解毒中心或医生/医师。
  • 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
Signal word Danger Warning
Hazard statements
  • H314 Causes severe skin burns and eye damage 导致严重的皮肤灼伤和眼睛损伤
  • H228 Flammable solid 易燃固体
GHS Symbol
RTECSVW0400000
Personal Protective Equipment Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Hazard Codes C F F,Xi,T,C Xi
Safety Statements
  • S7/8 Keep container tightly closed and dry 保存在严格密闭容器中，保持干燥；
  • 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；
  • 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；
  • S33 Take precautionary measures against static discharges 对静电采取预防措施；
  • 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）；
  • S7/9 Keep container tightly closed and in a well-ventilated place 保持容器严格密闭，置于通风良好的场所；
  • S36/37 Wear suitable protective clothing and gloves 穿戴适当的防护服和手套；
  • S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴适当的防护服、手套和眼睛/面保护；
  • S28 After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) 皮肤接触后，立即用大量…（由生产厂家指定）冲洗；
Packing GroupIII
UN Number 1818 UN 2922 8/PG 2 UN3089 UN3264 UN1346
Risk Statements
  • R34 Causes burns 会导致灼伤
  • R36 Irritating to eyes 刺激眼睛
  • R11 Highly flammable 非常易燃
  • R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
  • R14 Reacts violently with water 遇水会猛烈反应
  • R36/38 Irritating to eyes and skin 对眼睛和皮肤有刺激性
  • R23/24/25 Toxic by inhalation, in contact with skin and if swallowed 吸入，皮肤接触及吞食都有毒
  • R35 Causes severe burns 会导致严重灼伤
Hazard Class8
Warnings 危化品目录(2015) 危险化学品 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 3160 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   FAONAU FAO Nutrition Meetings Report Series.  (Rome, Italy)  No.?-57,
   1948-77.  Discontinued.  Volume(issue)/page/year: 53A,21,1974

TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 500 mg/kg
TOXIC EFFECTS :
   Sense Organs and Special Senses (Olfaction) - effect, not otherwise
   specified
   Sense Organs and Special Senses (Eye) - effect, not otherwise specified
   Lungs, Thorax, or Respiration - respiratory stimulation
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: OTS0536164

其他信息

  • F:34
  • 参考质量标准:参考标准 指标名称 指标 模量 2.0±0.1 二氧化硅(SiO2)/% 49.0～53.0 氧化钠(Na2O)/% 25.5～29.0 溶解速度/s≤ 100 表观密度/(kg/L)≥ 0.55
  • 用途六:用作耐火材料黏合剂，炉窑喷补剂，焊条药粉黏结剂。耐酸水泥黏结剂，洗涤剂中的除油污助剂，石油开采和隧道堵孔剂、加固剂。并适于一般水玻璃的各种用途。
  • 用途五:主要用作版纸、木材、焊条、铸造、耐火材料等方面的黏合剂，制皂业的填充料，以及土壤稳定剂、橡胶防水剂。也用于纸张漂白、矿物浮选、合成洗涤剂。是无机涂料的组分，也是硅胶、分子筛、沉淀法白炭黑等硅系列产品的原料。
  • 下游产品:丙烯醛 --> 二氧化硅 --> 二氧化硅 --> 洗衣粉 --> 过碳酸钠 --> 氧化锆 --> 建筑内外墙涂料 --> 耐水、防碱、抗低温矿物涂料 --> 铬酸铅 --> 废纸脱墨剂 --> 细孔球形硅胶 --> 五水合硅酸钠 --> L型沸石 --> 硫酸锆 --> 沸石 --> 高效煮练剂 FB --> 硅酸锂Li2SiO3 --> 偏硼酸钡 --> 冼净剂 EAF --> 偏硅酸钠 --> 珍珠岩 --> 聚合硅硫酸铝钾 --> 改性水玻璃
  • 常规方法:液体产品用清洁的小口铁桶或塑料桶包装，桶用衬以胶垫的螺丝口盖子盖严。每桶净重200kg或250kg。也可自备容器散装。固体产品用内衬塑料袋的麻袋或编织袋包装，每袋净重80kg。 贮存于一般库房中，或用槽罐贮存。容器必须密封。不可与酸类物品共贮混运。
  • 上游原料:氢氧化钠 --> 硫酸 --> 碳酸钠 --> 硫酸钠 --> 二氧化硅 --> 三溴化硼 --> 重油 --> 十水合硫酸钠 --> 二氧化硅 --> 1,4-萘醌 --> 硅砂 --> 液体烧碱 --> 猫砂
  • 方法二:干法将纯碱与硅砂按比例混合，经熔融、冷却、溶化、澄清，浓缩至一定浓度，通过喷雾干燥，制得粉状硅酸钠。
  • 方法一:干法包括纯碱法、硫酸钠(芒硝)法和天然碱法。 纯碱法将纯碱和硅砂按一定比例均匀混合，在1400～1500℃进行熔融反应，熔融物经水淬冷却形成玻璃料，趁热投入溶解槽内，再通入蒸汽加热溶解，经沉降、浓缩、制得水玻璃。其 SiO2+Na2CO3→Na2O?nSiO2+CO2↑ 硫酸钠法先将硫酸钠(芒硝)和煤粉均匀混合，再加入硅砂，混合均匀后快速加入炉内进行反应，反应完成后，生成物出炉冷却、粉碎、溶解、沉淀、浓缩，制得水玻璃。其 2Na2SO4+2C+2nSiO2→2Na2O?nSiO2+S+SO2↑+2CO2↑ 天然碱法将天然碱、硅砂和煤粉按一定比例混合，再加入起调节作用的烧碱渣，把混合料经炉顶预热2～4h后投入炉内进行反应，经3～5h生成熔融物，经出料水淬冷却，把冷却形成的玻璃料溶解、沉淀、浓缩制得水玻璃。其 Na2CO3+nSiO2→Na2O?nSiO2+CO2↑ 2Na2SO4+2C+nSiO2→Na2O?nSiO2+SO2↑+2CO2↑+S 湿法将液体烧碱和硅砂按适当比例混合加入压热釜中，通人直接蒸汽加热，待反应釜中压力升至0.7～0.8 Mpa后，停止通入接蒸汽，用夹套蒸汽保温，维持此压力，反应数小时，将反应物过滤、浓缩，制得水玻璃。其 2NaO+nSiO2→Na2O?nSiO2+H2O
  • 用途四:主要用作胶粘剂、硅胶和白炭黑的原料，制皂业的填充料以及橡胶防水剂等
  • MOL 文件:1344-09-8.mol
  • 用途三:用作分析试剂、织物防火剂和粘合剂
  • Sigma Aldrich:1344-09-8(sigmaaldrich)
  • 用途二:主要用于清洗剂及合成洗涤剂，也用作除油剂、填充剂和缓蚀剂等
  • MSDS 信息:Silicic acid sodium salt(1344-09-8).msds
  • 用途一:主要用作粘结剂、洗涤剂、肥皂的填料，土壤稳定剂，纺织工业助染剂、漂白剂和浆纱剂，矿物浮选剂等

系列性分类

  1. Materials Science 材料科学
  2. Metal and Ceramic Science Products 金属和陶瓷科学
  3. Ultra-High Purity Materials - Metal and Ceramic Science
  1. Materials Science 材料科学
  2. Nanomaterials - Materials Science
  3. Nanopowders and Nanoparticle Dispersions - Nanomaterials
  1. Materials Science 材料科学
  2. Micro/NanoElectronics - Materials Science
  3. Electronic Materials - Micro/NanoElectronics
  1. Analytical & Chromatography 分析化学与色谱
  2. Analytical Standards
  3. Spectroscopy - Analytical Standards
  4. AAS - Spectroscopy
  5. Single Solution - AAS
  1. Analytical & Chromatography 分析化学与色谱
  2. Analytical Standards
  3. Alphabetic - Analytical Standards
  4. S - Alphabetic
  5. SA - SM - S
  1. Materials Science 材料科学
  2. Micro/NanoElectronics - Materials Science
  3. Electronic Chemicals - Micro/NanoElectronics
  4. Pure Elements - Electronic Chemicals
  1. Materials Science 材料科学
  2. Metal and Ceramic Science Products 金属和陶瓷科学
  3. Metals - Metal and Ceramic Science
  4. Silicon - Metals
  1. Materials Science 材料科学
  2. Nanomaterials - Materials Science
  3. Nanopowders and Nanoparticle Dispersions - Nanomaterials
  4. 14: Si - Nanopowders and Nanoparticle Dispersions
  1. Materials Science 材料科学
  2. Products for Organic & Printed Electronics Research
  3. Substrates and Electrode Materials - Organic and Printed Electronics
  4. Substrates - Substrates and Electrode Materials
  5. Silicon Wafers - Substrates
  1. Nanomaterials
  2. Silicon

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