중크롬산나트륨
Sodium dichromate dihydrate
기본 정보
- CAS
7789-12-0- 표준 SMILES
O.O.[Na+].[Na+].[O]=[Cr](=[O])([O-])[O][Cr](=[O])(=[O])[O-]- InChIKey
JYDRNIYTFCBIFC-UHFFFAOYSA-N- 분자식
- Cr2H4Na2O9
- 평균 분자량
- 298 g/mol
- 단동위원소 질량
- 297.84608
이름 및 식별자
- 우선 이름
- Sodium dichromate dihydrate
- IUPAC
- disodium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium;dihydrate
- 현지명
- 중크롬산나트륨
- 영어명
- Sodium dichromate dihydrate
- 분자식
- Cr2H5NaO8
- 분자량
- 260.01
이름 및 동의어
Sodium dichromate dihydrate7789-12-0Disodium dichromate dihydrateChromic acid (H2Cr2O7), disodium salt, dihydrateDTXSID603206152125XYY2ADICHROMIC ACID (H2Cr2O7), DISODIUM SALT, DIHYDRATEDTXCID4012061RefChem:1098784CCRIS 6344UNII-52125XYY2Adisodium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium;dihydrate
이름 더 보기
나트륨비크롬산결정소디움디클로로메이트2H2O이크롬산나트륨나트륨디크롬산이수화물디나트륨디크롬산이수화물중크롬산나트륨(2수화물)중크롬산나트륨나트륨디크롬산이수화물소듐다이크로메이트,다이하이드레이트나트륨 이크로뮴산염, 이수화물디크롬산나트륨수화물SODIUM DICHROMATESODIUM BICHROMATESODIUM DICHROMATE GRSodium dichromate diSodium Dichromate ARSODIUM DICHROMATE 2H2OSODIUM DICHROMATE, ACSSodiumbichromateanhydrousSODIUM DICHROMATE, HYDROUSSODIUM DICHROMATE 2HYD XTL
sodium dichromate (VI) dihydrateSodium dichromate dihydrate (VI)NCGC00091922-02SODIUM CHROMATE (NA2CR2O7) DIHYDRATEEC 234-190-3DICHROMIC ACID, DISODIUM SALT, DIHYDRATESODIUM DICHROMATE DIHYDRATE (NA2CR2O7.2H2O)Sodium mu-oxidohexakis(oxido)dichromate(2-)--water (2/1/2)
데이터베이스 식별자
- CAS
7789-12-0- PubChem CID
- 108005
- DTXSID
DTXSID6032061- UNII
- 52125XYY2A
- EC Number
- 616-541-6
물성
구조 계산 물성
- 극성 표면적
- 126 Ų
- 수소 결합 공여자 수
- 2
- 수소 결합 수용자 수
- 9
- 회전 가능 결합 수
- 0
- 무거운 원자 수
- 13
- 형식 전하
- 0
- 복잡도
- 194
실험 및 물리화학적 성질
Chemical ClassesMetals -> Chromium Compounds, Inorganic
Density2.35 @ 13°C
Physical DescriptionReddish to bright orange solid; Somewhat deliquescent and soluble in water; [Merck Index] Orange-red odorless crystals; Hygroscopic and soluble in water; [Alfa Aesar MSDS]
물리화학적 성질
- 녹는점
- 91 °C · 91 °C(lit.)
- 끓는 점
- 400 °C · 400°C
- 밀도
- 2 · 2,348 g/cm3
- 증기 밀도
- 10 · 10 (vs air)
- 저장 조건
- 5 °C · Store at +5°C to +30°C.
- 용해도
- 메탄올(약간 용해됨,초음파 처리)
- 물리적 상태
- 고체
- Specific Gravity
- 2.348 · 2.348
- 색상
- 붉은 오렌지색
- 냄새
- 냄새 없는
- 수소이온지수(pH)
- 3.5 · 3.5 (20°C, 100g/L)
- 수용성
- 730 g/L · 730g/L(20℃)
- Merck
- 14 · 14,8609
- Dielectric constant
안전 및 규제
안전 정보는 참고용이며, 공급업체의 물질안전보건자료(SDS), 관련 법규 및 전문가 평가를 대체하지 않습니다.
GHS 분류
GHS Classification
Danger
H317 (100%): May cause an allergic skin reaction [Warning Sensitization, Skin]
P203, P261, P272, P273, P280, P302+P352, P318, P321, P333+P317, P362+P364, P391, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 2101 reports by companies from 9 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Danger
H301: Toxic if swallowed [Danger Acute toxicity, oral]
유해성 정보
Regulatory Information
Chemical: Chromic acid (H2Cr2O7), disodium salt, dihydrate
Chromic acid, disodium salt, dihydrate: HSNO Approval: HSR001440 Approved with controls
Other Safety InformationIMAP assessments - Chromates and dichromates (soluble): Human health tier II assessment
Hazards Summary
An oxidizer that may cause fire on contact with combustible materials; Causes burns; May cause skin and respiratory sensitization; Toxic by ingestion; Highly toxic by inhalation; Harmful by skin absorption; [Alfa Aesar MSDS] See Sodium dichromate. See Chromium and linked occupational diseases.
Hazard Classes and Categories
Skin Sens. 1 (100%)
Carcinogenicity - category 1A
Acute toxicity (Oral) - Category 3
안전 및 보호
Threshold Limit Values (TLV)
0.0001 [mg/m3], as Cr(VI), inhalable particulate matter
0.0005 [mg/m3], as Cr(VI), inhalable particulate matter
화학 및 산업
용도 및 제조
Uses
Used as an oxidizing agent (to make dyes, inks, and other chemicals), bleaching agent (fats, oils, sponges, and resins), tanning agent, and mordant in dyeing; Also used in electric batteries, for refining petroleum, electro-engraving copper, in corrosion inhibitors and corrosion inhibiting paints, metal treatments, hardening gelatin, defoliation of cotton and other plants and shrubs, and as a topical anti-infective; [Merck Index] Used for metal finishing (chrome plating, electroplating, passivating, anodizing, and brightening), to make vitamin K, colored glass, ceramic glazes, essential oils, and perfumes; [ExPub: ECHA - Annex XV Dossier] Found as a contaminant in drinking water from industrial uses including electroplating, leather tanning, and textile manufacturing; [NTP]
Electroplating [Category: Plate]
응용 분야
용도Sodium Dichromate Dihydrate is used as a catalyst in the synthesis of Endoperoxide II. Strong oxidizing agent in organic synthesis. Used in metal finishing as an aid in corrosion resistance.
일반 설명Solid orange-yellow crystal or powder.
상·하류 제품 정보
상류 원료
관련 반응
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