Sodium metasilicate 偏硅酸钠

CAS 6834-92-0 MFCD00003492

化学结构图

6834-92-0
SMILES: O=[Si]([O-])[O-].[Na+].[Na+]

化学属性

Mol. FormulaNa2SiO3
Mol. Weight122
Melting Point1090
Density2.61
SolubilitySoluble in cold water. Hydrolyzes in hot water
TSCAYes

别名和识别编码

Chemical NameSodium metasilicate
MDL NumberMFCD00003492
CAS Number6834-92-0
Synonym B-W Crystamet Disodium metasilicate Disodium metasilicate Disodium silicate Sodium silicon oxide 硅酸钠 Disodium monosilicate Metso 20 Metso beads 2048 Metso beads, drymet Metso pentabead 20 Orthosil Sodium metasilicate, anhydrous Sodium orthosilicate; Silicic acid sodium salt Sodium silicate Sodium trisilicate solution, Water glass Water glass monosodium metasilicate sodium metasilicate sodium metasilicate nonahydrate 偏硅酸钠
EC Number 229-912-9
PubChem Substance ID23266
Merck Number14,8642
Chemical Name Translation偏硅酸钠
Wiswesser Line NotationNA2 SI-O3
LabNetwork Molecule IDLN00223409
InChIInChI=1S/2Na.O3Si/c;;1-4(2)3/q2*+1;-2
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分类

  • {SNA} Chemical Synthesis, Essential Chemicals, Inorganic Salts, Materials Science, Metal and Ceramic Science, Research Essentials, Salts, Sodium, Sodium Salts, Synthetic Reagents
  • {SNA} Chemical Synthesis, Essential Chemicals, Inorganic Salts, Metal and Ceramic Science, Research Essentials, Salts, Sodium, Sodium Salts, Synthetic Reagents, 材料科学
  • {SNA} Chemical Synthesis, Inorganic Salts, Sodium, Synthetic Reagents

相关文献及参考

安全信息

GHS Symbol
Precautionary statements
  • P234 Keep only in original container. 只保留在原来的容器中。
  • 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。
  • P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
  • P264+P265
  • P270 Do not eat, drink or smoke when using this product. 使用本产品时不要吃东西,喝水或吸烟。
  • P271 Use only outdoors or in a well-ventilated area.? 只能在室外或通风良好的地方使用。
  • 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。
  • P301+P312
  • P301+P317
  • P301+P330+P331
  • P302+P361+P354
  • P303+P361+P353
  • P304+P340
  • P305+P351+P338
  • P305+P354+P338
  • P308+P316
  • P309+P311
  • P310 Immediately call a POISON CENTER or doctor/physician. 立即呼救解毒中心或医生/医师。
  • P312 Call a POISON CENTER or doctor/physician if you feel unwell. 如果你感觉不适,呼叫解毒中心或医生/医师。
  • P316
  • P317
  • P319
  • P321 Specific treatment (see … on this label). 具体治疗(见本标签上的)。
  • P330 Rinse mouth. 漱口
  • P363 Wash contaminated clothing before reuse. 被污染的衣服洗净后方可重新使用。
  • P390 Absorb spillage to prevent material damage. 吸收溢出物,防止重大损害。
  • P403+P233
  • P404 Store in a closed container. 贮存于密闭容器中。
  • P405 Store locked up. 上锁保管。
  • P406 Store in corrosive resistant/… container with a resistant inner liner. 存放在耐腐蚀/具有耐性的内衬容器。
  • P501 Dispose of contents/container to..… 处理内容物/容器.....
Signal word Danger
Hazard statements
  • H290 May be corrosive to metals 可能腐蚀金属。
  • H314 Causes severe skin burns and eye damage 导致严重的皮肤灼伤和眼睛损伤
  • H318 Causes serious eye damage 严重伤害眼睛
  • H335 May cause respiratory irritation 可能导致呼吸道刺激
WGK Germany1
Personal Protective Equipment Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges dust mask type N95 (US), Eyeshields, Faceshields, Gloves
RTECS VV9275000
Safety Statements
  • S13 Keep away from food, drink and animal foodstuffs 远离食品、饮料和动物饲料保存;
  • S24/25 Avoid contact with skin and eyes 避免皮肤和眼睛接触;
  • 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;
  • 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;
  • 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;
  • 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);
Packing GroupIII
UN Number 3253 UN3253
Risk Statements
  • R34 Causes burns 会导致灼伤
  • R37 Irritating to respiratory system 刺激呼吸道
Hazard Codes 8 C
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - pig
DOSE/DURATION           : 250 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   FCTXAV Food and Cosmetics Toxicology.  (London, UK)  V.1-19, 1963-81.  For
   publisher information, see FCTOD7.  Volume(issue)/page/year: 14,78,1976

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 770 mg/kg
TOXIC EFFECTS :
   Gastrointestinal - ulceration or bleeding from stomach
   Gastrointestinal - ulceration or bleeding from duodenum
   Gastrointestinal - ulceration or bleeding from small intestine
REFERENCE :
   TOLED5 Toxicology Letters.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1977-  Volume(issue)/page/year:
   31(Suppl),44,1986

TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 250 mg/kg
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - other changes
   Gastrointestinal - other changes
   Kidney, Ureter, Bladder - other changes
REFERENCE :
   FCTXAV Food and Cosmetics Toxicology.  (London, UK)  V.1-19, 1963-81.

TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 200 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JAMAAP JAMA, Journal of the American Medical Association.  (AMA, 535 N.
   Dearborn St., Chicago, IL 60610)  V.1-    1883-  Volume(issue)/page/year:
   111,1925,1938

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSUR

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intratesticular
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 9766 ug/kg
SEX/DURATION            : male 1 day(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Paternal Effects - testes, epididymis, sperm duct
REFERENCE :
   JRPFA4 Journal of Reproduction and Fertility.  (Biochemical Soc. Book Depot,
   POB 32, Commerce Way, Colchester, Essex CO2 8HP, UK)  V.1-    1960-
   Volume(issue)/page/year: 7,21,1964

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 15 gm/kg
SEX/DURATION            : male 14 week(s) pre-mating
                          female 14 week(s) pre-mating  - 3 week(s) post-birth
TOXIC EFFECTS :
   Reproductive - Effects on Newborn - stillbirth
   Reproductive - Effects on Newborn - live birth index (measured after birth)
   Reproductive - Effects on Newborn - weaning or lactation index (e.g., #
   alive at weaning per # alive at day 4)
REFERENCE :
   JANSAG Journal of Animal Science.  (American Soc. of Animal Science, 309 W.
   Clark St., Champaign, IL 61820)  V.1-    1942-  Volume(issue)/page/year:
   36,271,1973

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 9766 ug/kg
SEX/DURATION            : male 1 day(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Paternal Effects - testes, epididymis, sperm duct
REFERENCE :
   JRPFA4 Journal of Reproduction and Fertility.  (Biochemical Soc. Book Depot,
   POB 32, Commerce Way, Colchester, Essex CO2 8HP, UK)  V.1-    1960-
   Volume(issue)/page/year: 7,21,1964

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