YTTRIUM SULFATE OCTAHYDRATE

한글명:YTTRIUM SULFATE OCTAHYDRATE

카스 번호7446-33-5

상품명:YTTRIUM SULFATE OCTAHYDRATE

CBNumberCB9105739

분자식H4O5SY

포뮬러 무게204.99

MOL 파일7446-33-5.mol

화학적 성질

밀도	2.5 g/mL at 25 °C(lit.)
물리적 상태	수정 같은
Specific Gravity	2.558
색상	흰색에서 연한 노란색
수용성	온도가 증가함에 따라 수용해도는 감소합니다. 물에 용해됩니다.
Merck	14,10107
CAS 데이터베이스	7446-33-5(CAS DataBase Reference)

위험 및 안전 성명

위험품 표기

위험 카페고리 넘버

36/37/38

안전지침서

26-37/39

WGK 독일

TSCA

Yes

NFPA 704:

	0
2		0

그림문자(GHS)

YTTRIUM SULFATE OCTAHYDRATE 화학적 특성, 용도, 생산

개요
Yttrium(III) sulfate octahydrate, with the chemical formula Y2(SO4)3-8H2O, consists of infinite layers parallel to (10\overline 1), with [Y(H2O)4(SO4)3/2] being the only repeating unit. The layers are connected to each other using only moderately strong hydrogen bonds. The trivalent yttrium cation is coordinated by eight O-atoms from four sulfate groups and four water molecules in a distorted square antitetrahedron [YO8]. It is of the same structural type as the rare earth sulfate octahydrate^[1].

Figure 1. View perpendicular to the (10 1) layer of the title compound, with [Y(H 2 O) 4/1 (SO 4 (1)) 3/3 (SO 4 (2)) 1/2 ] as the repeat unit. Key: [SO 4 ] tetrahedra (yellow), [YO 8 ] antiprisms (red), oxygen (blue) and hydrogen (light grey) atoms.
화학적 성질
Small, reddish-white, monosymmetric crystals. D 2.558, loses 8H2O at 120C, decomposes 700C. Soluble in concentrated sulfuric acid; sparingly soluble in water; insoluble in alkalies.
물리적 성질
Red monoclinic crystals; density 2.59 g/cm³; loses all its water molecules at 120°C; decomposes at 700°C; sparingly soluble in water, less soluble in hot water; dissolves in concentrated sulfuric acid forming Y(HSO4)3; insoluble in alkalis; forms double salts with alkali sulfates.
용도
Yttrium sulfate is used in making many yttrium salts.
제조 방법
Yttrium sulfate is produced as an intermediate in recovering yttrium from monazite or xenotime (see Yttrium, Recovery). Rare earth sulfates are separated on a cation exchange resin bed. Yttrium fraction is purified by fractional crystallization. Alternatively, yttrium sulfate may be prepared by reacting yttrium oxide with sulfuric acid.

YTTRIUM SULFATE OCTAHYDRATE 공급 업체

YTTRIUM SULFATE OCTAHYDRATE 관련 검색

Send Inquriy