테트라히드록시실란
Orthosilicic acid
기본 정보
- CAS
10193-36-9- 표준 SMILES
O[Si](O)(O)O- InChIKey
RMAQACBXLXPBSY-UHFFFAOYSA-N- 분자식
- H4O4Si
- 평균 분자량
- 96.11 g/mol
- 단동위원소 질량
- 95.98788514
개요
Silicic acid is a silicon oxoacid. It is a conjugate acid of a trihydrogensilicate(1-).
이름 및 식별자
- 우선 이름
- Orthosilicic acid
- IUPAC
- silicic acid
- 현지명
- 테트라히드록시실란
- 영어명
- tetrahydroxysilane
- 분자식
- H4O4Si
- 분자량
- 96.11
이름 및 동의어
Orthosilicic acidMonosilicic acidSilicon tetrahydroxideSilicasolTetrahydroxysiliconsilanetetrolKieselsaeureSilicic acid (Si(OH)4)Silicic acid (ortho)OrthokieselsaeureEINECS 233-477-0UNII-623B93YABH
이름 더 보기
테트라히드록시실란silicicacisiliclc acidMONOSILICICACIDtetrahydroxysilane
tetrahydroxidosilicon623B93YABHH4SiO4Silicon hydroxide (Si(OH)4)CHEBI:26675ORTHOSILICIC ACID (H4SIO4)(Si(OH)4)[Si(OH)4]
데이터베이스 식별자
- CAS
10193-36-9、1343-98-2- PubChem CID
- 14942
- DTXSID
DTXSID5058721- ChEBI
CHEBI:26675- UNII
- 623B93YABH
- EC Number
- 215-683-2、233-477-0
- Nikkaji
- J148.210F
물성
구조 계산 물성
- 극성 표면적
- 80.9 Ų
- 수소 결합 공여자 수
- 4
- 수소 결합 수용자 수
- 4
- 회전 가능 결합 수
- 0
- 무거운 원자 수
- 5
- 형식 전하
- 0
- 복잡도
- 19.1
실험 및 물리화학적 성질
Chemical ClassesMineral Dusts -> Other Mineral Dusts
CosmeticsBulking; Opacifying; Anticaking; Viscosity controlling; Abrasive; Absorbent
Density2.2 @25 °C
Melting Point1610 °C
Vapor Pressure10 [mm Hg] @1732 °C
Food Contact SubstancesFCS -> FDA Inventory of Food Contact Substances Listed in 21 CFR
Physical Description
Dry Powder
White solid; [Merck Index] Powder; [Sigma-Aldrich MSDS]
물리화학적 성질
- 끓는 점
- 153 · 153-156 °C(Press: 2 Torr)
- 밀도
- 2.63 g/cm3 · 2.63 g/cm3
- 증기압
- 1.333 hPa · 1.333hPa at 25℃
- 산도 계수 (pKa)
- 12.39 · 12.39±0.53(Predicted)
- 물리적 상태
- 용액에만 존재
- 색상
- exists only in solution
- 수용성
- 100 ng/L · 100ng/L at 25℃
- Henry's Law Constant
- 2.3 · 2.3×1010 mol/(m3Pa) at 25℃, Plyasunov (2012)
- LogP
- -1 at · -1 at 25℃
- EPA
- Silicic acid (H4SiO4) (10193-36-9)
안전 및 규제
안전 정보는 참고용이며, 공급업체의 물질안전보건자료(SDS), 관련 법규 및 전문가 평가를 대체하지 않습니다.
GHS 분류
GHS Classification
This chemical does not meet GHS hazard criteria for 100% (168 of 168) of all reports.
Not Classified
Aggregated GHS information provided per 168 reports by companies from 1 notifications to the ECHA C&L Inventory.
This chemical does not meet GHS hazard criteria for 0.7% (1 of 135) of reports.
Danger
H314 (99.3%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
유해성 정보
Regulatory Information
Chemical: Silicic acid (H4SiO4)
Chemical: Silicic acid
Silicic acid is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Silicic acid are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)
REACH registered substance: Tetrahydroxysilane (EC: 233-477-0)
Silicic acid (H4SiO4): Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
Silicic acid: Does not have an individual approval but may be used under an appropriate group standard
Hazards SummaryCauses lung changes including focal fibrosis in intermittent inhalation studies of rats; [RTECS] A skin and strong eye irritant; Targets the lungs; [Sigma-Aldrich MSDS]
Hazard Classes and Categories
Skin Corr. 1 (99.3%)
Not Classified
안전 및 보호
Protective Action Criteria (PAC)
18 [mg/m3]
200 [mg/m3]
1200 [mg/m3]
독성 정보
Adverse EffectsFibrogenic - Inducing tissue injury and fibrosis (scarring).
안전 데이터
- tsca
- TSCA listed
- 기존화학 물질
- KE-33519
화학 및 산업
용도 및 제조
Uses
Opal is the natural form; Used as a sorbent for column chromatography; Approximate molecular formula of H2-Si-O3; [Merck Index] A hydrated form of silicon dioxide. It is commonly used in the manufacture of TOOTHPASTES and as a stationary phase for CHROMATOGRAPHY. [ChemIDplus] Gel forms are used to absorb vapors and as insecticide carriers; [REPROTOX] Permitted for use as an inert ingredient in non-food pesticide products; [EPA]
U.S. Production2023: 50,000 - <250,000 lb
Industry UsesSolvent
Household ProductsInformation on 9 consumer products that contain Silicic acid in the following categories is provided:
Use ClassificationCosmetics -> Bulking; Opacifying; Anticaking; Viscosity controlling; Abrasive; Absorbent
General Manufacturing Information
Paint and Coating Manufacturing
Silicic acid: ACTIVE
Silicic acid (H4SiO4): ACTIVE
상·하류 제품 정보
상류 원료
하류 제품
관련 반응
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