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산화크로뮴

산화크로뮴
산화크로뮴 구조식 이미지
카스 번호:
1308-38-9
한글명:
산화크로뮴
동의어(한글):
녹색라우지;산화크로륨(III);삼산화크롬;CASALIS녹색산화물색소;산화(2:3)크롬(III)(CHROMIUM(III)OXIDE(2:3))삼산화크롬(3+)(CHROMIUM(3+)TRIOXIDE)산화크롬색소;산화크롬;산화크롬(III);산화제2크롬;산화크로뮴;세스퀴산크롬;아나도미스녹색(ANADOMISGREEN)삼산화디크롬;크롬사이드그린;크롬산녹색;산화크롬(III);크로뮴옥사이드그린
상품명:
Chromium oxide
동의어(영문):
okhp1;c-grun;pk5304;CHROMIA;ci77288;p106f10;Green 15;oilgreen;c.i.77288;11661green
CBNumber:
CB8394705
분자식:
Cr2O3
포뮬러 무게:
151.99
MOL 파일:
1308-38-9.mol

산화크로뮴 속성

녹는점
2435 °C
끓는 점
4000 °C
밀도
5.21
굴절률
2.551
인화점
3000°C
물리적 상태
powder
색상
Pale to dark green
Specific Gravity
5.22
수용성
Insoluble
Merck
14,2234
안정성
Stable.
CAS 데이터베이스
1308-38-9(CAS DataBase Reference)
NIST
Chromium(iii) oxide(1308-38-9)
EPA
Chromium oxide (Cr2O3)(1308-38-9)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
안전지침서 24/25
WGK 독일 -
RTECS 번호 GB6475000
TSCA Yes
HS 번호 28199090
유해 물질 데이터 1308-38-9(Hazardous Substances Data)
그림문자(GHS):
신호 어:
유해·위험 문구:
암호 유해·위험 문구 위험 등급 범주 신호 어 그림 문자 P- 코드
H302 삼키면 유해함 급성 독성 물질 - 경구 구분 4 경고 P264, P270, P301+P312, P330, P501
H317 알레르기성 피부 반응을 일으킬 수 있음 피부 과민성 물질 구분 1 경고 P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H332 흡입하면 유해함 급성 독성 물질 흡입 구분 4 경고 P261, P271, P304+P340, P312
예방조치문구:
P261 분진·흄·가스·미스트·증기·...·스프레이의 흡입을 피하시오.
P321 (…) 처치를 하시오.
P304+P340 흡입하면 신선한 공기가 있는 곳으로 옮기고 호흡하기 쉬운 자세로 안정을 취하시오.

산화크로뮴 MSDS


Chromium oxide

산화크로뮴 C화학적 특성, 용도, 생산

개요

Chromium oxide green, also known as chromium sesquioxide or chromia, is one of four oxides of chromium, chemical formula Cr2O3. It is commonly called ‘chrome green’ when used as a pigment; however it was referred to as ‘viridian’ when it was first discovered.
Chrome oxide is a very refractory ceramic colorant (even a 50% mix with a high borax frit will not even begin to melt it in a crucible). Chrome oxide is the only stable oxide of the metal chromium. It is a bright to dark green crystalline powder insoluble in alkalis and acids. It is manufactured from the mineral Chromite mined in southern Africa, Asia, Turkey and Cuba. As with other powerful coloring agents, chrome must be milled fine enough to eliminate specking in glass or glaze.
Chromium is a 'fast' colorant, meaning can produce strong green colors under all furnace conditions, slow or fast, reducing or oxidizing. It is also a flat colorant (due to its refractory nature), it usually produces an army helmet opaque green. It is powerful, typically only 2% will produce a dark color. It cannot be used to make a metallic glaze.
Chrome oxide is usually employed in raw glazes whereas potassium dichromate is used in fritted glazes.

화학적 성질

green crystalline powder

화학적 성질

Chromium oxide is a bright green, odorless powder

용도

Chromium(III) oxide is used as pigment for coloring green on glass and fabrics. Other important applications are in metallurgy; as a component of refractory bricks, abrasives and ceramics; and as a catalyst in hydrogenation, hydrogenolysis and many other organic conversion reactions. It also is used to prepare other chromium salts.

용도

In abrasives, refractory materials, electric semiconductors; as pigment, particularly in coloring glass; in alloys; printing fabrics and banknotes; as catalyst for organic and inorganic reactions.

용도

Chromium oxide (Cr2O3) is a dull green synthetic inorganic pigment, which can be used in all types of paint systems where high chemical resistance and outstanding light-fastness are required.

정의

chromium sesquioxide: A green crystallinewater-insoluble salt, Cr2O3; r.d. 5.21;m.p. 2435°C; b.p. 4000°C. It is obtainedby heating chromium in astream of oxygen or by heating ammoniumdichromate. The industrialpreparation is by reduction ofsodium dichromate with carbon.Chromium(III) oxide is amphoteric,dissolving in acids to give chromium(III) ions and in concentratedsolutions of alkalis to give chromites.It is used as a green pigment in glass,porcelain, and oil paint.

위험도

Toxic by ingestion and inhalation.

Safety Profile

Confirmed carcinogen with experimental tumorigenic data. Mutation data reported. Probably a severe

잠재적 노출

Chromium(III) oxide is used as a paint pigment, a fixative for certain textile dyes; in the manufacture of chromium; and a catalyst.

운송 방법

UN3086 Toxic solids, oxidizing, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, 5.1-Oxidizer. Technical Name Required. Spill Handling: Evacuate persons not wearing protective equipment from the danger area of spill or leak until cleanup is complete. Remove all ignition sources. Collect powdered material in the most convenient and safe manner and deposit in sealed containers. Ventilate area after clean-up is complete. It may be necessary to contain and dispose of this chemical as a hazardous waste. If material or contaminated runoff enters waterways, notify downstream users of potentially contaminated waters. Contact your local or federal environmental protection agency for specific recommendations. If employees are required to clean-up spills, they must be properly trained and equipped. OSHA 1910.120(q) may be applicable.

비 호환성

A strong oxidizer. Contact with reducing agents; organics, and combustibles may be violent

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