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몰리브덴 무수물

몰리브덴 무수물
몰리브덴 무수물 구조식 이미지
카스 번호:
1313-27-5
한글명:
몰리브덴 무수물
동의어(한글):
몰리브덴무수물;몰리브덴삼산화물;삼산화몰리브덴;몰리브덴무수물
상품명:
Molybdenum trioxide
동의어(영문):
MoO3;mo1202t;Mo 1202T;Molybdena;MOLYBDIC OXIDE;Molybdntrioxid;CATALYST DC-160;naturalmolybdite;MOLYBDENUM OXIDE;Natural molybdite
CBNumber:
CB6180308
분자식:
MoO3
포뮬러 무게:
143.94
MOL 파일:
1313-27-5.mol

몰리브덴 무수물 속성

녹는점
795 °C(lit.)
끓는 점
1155 °C
밀도
4.692
인화점
1155°C subl.
저장 조건
Store at +5°C to +30°C.
용해도
0.49g/l
물리적 상태
Sublimed Powder
Specific Gravity
4.69
색상
White to gray
수용성
0.5 g/L (20 ºC)
Merck
14,6239
CAS 데이터베이스
1313-27-5(CAS DataBase Reference)
NIST
Molybdenum(vi) oxide(1313-27-5)
EPA
Molybdenum oxide (MoO3)(1313-27-5)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 Xn,Xi
위험 카페고리 넘버 36/37-48/20/22-40
안전지침서 22-23-25-36/37
WGK 독일 1
RTECS 번호 QA4725000
TSCA Yes
위험 등급 6.1
HS 번호 28257000
유해 물질 데이터 1313-27-5(Hazardous Substances Data)
독성 LD50 orally in Rabbit: 2689 mg/kg LD50 dermal Rat > 2000 mg/kg
그림문자(GHS):
신호 어: Warning
유해·위험 문구:
암호 유해·위험 문구 위험 등급 범주 신호 어 그림 문자 P- 코드
H301 삼키면 유독함 급성 독성 물질 - 경구 구분 3 위험 P264, P270, P301+P310, P321, P330,P405, P501
H319 눈에 심한 자극을 일으킴 심한 눈 손상 또는 자극성 물질 구분 2A 경고 P264, P280, P305+P351+P338,P337+P313P
H335 호흡 자극성을 일으킬 수 있음 특정 표적장기 독성 - 1회 노출;호흡기계 자극 구분 3 경고
H351 암을 일으킬 것으로 의심됨 (노출되어도 암을 일으키지 않는다는 결정적인 증거가 있는 노출경로가 있다면 노출경로 기재) 발암성 물질 구분 2 경고 P201, P202, P281, P308+P313, P405,P501
예방조치문구:
P201 사용 전 취급 설명서를 확보하시오.
P261 분진·흄·가스·미스트·증기·...·스프레이의 흡입을 피하시오.
P281 요구되는 개인 보호구를 착용하시오
P305+P351+P338 눈에 묻으면 몇 분간 물로 조심해서 씻으시오. 가능하면 콘택트렌즈를 제거하시오. 계속 씻으시오.
P405 밀봉하여 저장하시오.

몰리브덴 무수물 C화학적 특성, 용도, 생산

화학적 성질

pale yellowish-green powder

화학적 성질

Molybdenum trioxide is an odorless, white crystalline powder that turns yellow when heated.

용도

Chiefly as a reagent for chemical analysis.

용도

Used for trace metal analysis.

용도

Molybdenum(VI) oxide is used in catalyst compositions to carry out desulfurization of petroleum feedstocks and to remove nitrogen-containing compounds from petroleum fractions. Other uses of this oxide include preparation of various molybdate salts and as reagents for chemical analyses.

용도

Molybdenum trioxide (MnO3) is a compound used to make enamels adhere to metals.

제조 방법

Molybdenum(VI) oxide is obtained by igniting molybdenum or its compounds in air:
2Mo + 3O2 → 2MoO3
2MoS2 + 7O2 → 2MoO3 + 4SO2
MoS2 + 4O2 → MoO3 + SO2 + SO3
Roasting the sulfide is carried out in a multiple-hearth roaster under controlled temperature and airflow. The product mixture is sublimed to obtain high purity oxide.
Purified molybdenum(VI) oxide also is made by prolonged heating of ammonium molybdate in air:
(NH4)2Mo2O7 → 2MoO3 + 2NH3 + H2O
An alternative method involves repeatedly evaporating a mixture of ammonium molybdate and nitric acid. Ammonium nitrate so formed is separated from the product molybdenum(VI) oxide by extraction with water:
(NH4)2Mo2O7 + 2HNO3 → 2MoO3 + 2NH4NO3 + H2O

일반 설명

Colorless to white or yellow odorless solid. Sinks in water.

공기와 물의 반응

Insoluble in water.

반응 프로필

Molybdenum trioxide reacts violently with chlorine trifluoride, lithium, potassium and sodium. Readily combines with acids and bases to form a series of polymeric compounds. Incompatible with interhalogens and metals. A violent detonation occurs when heated with molten magnesium.

위험도

Toxic material.

건강위험

Compound is relatively nontoxic. Dust irritates eyes.

화재위험

Flash point data for Molybdenum trioxide are not available, but Molybdenum trioxide is probably non-flammable.

Safety Profile

Poison by ingestion, subcutaneous, and intraperitoneal routes. Human systemic effects by inhalation: pulmonary fibrosis and cough. Questionable carcinogen with experimental neoplastigenic data. A powerful irritant. Explodes on contact with molten magnesium. Violent reaction with interhalogens (e.g., bromine pentafluoride, chlorine trifluoride). Incandescent reaction with hot sodium, potassium, or lithium. When heated to decomposition it emits toxic fumes of Mo.

잠재적 노출

Molybdenum trioxide is used in agriculture; manufacture of metallic molybdenum, ceramic glazes; enamels, pigments, and in analytical chemistry.

운송 방법

UN2811 Toxic solids, organic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required.

Purification Methods

Crystallise it from water (1g/50mL) between 70o and 0o. The solubility in H2O is 0.1% at 18o, and 2% at 70o. It is a white powder which turns yellow reversibly on heating. It sublimes readily at 1155o/760mm. [Hein & Herzog Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol II p 1412 1965.]

비 호환성

Explodes on contact with molten magnesium. Violent reaction with strong oxidizers, such as chlorine trifluoride; bromine pentafluoride. Not compatible with strong acids; active metals (sodium, potassium, lithium).

몰리브덴 무수물 준비 용품 및 원자재

원자재

준비 용품


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