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이불화 칼륨

이불화 칼륨
이불화 칼륨 구조식 이미지
카스 번호:
7789-29-9
한글명:
이불화 칼륨
동의어(한글):
이불화칼륨;이불화칼륨(POTASSIUMBIFLUORIDE)
상품명:
Potassium hydrogen fluoride
동의어(영문):
K(HF2);NA 1811;POTASSIUM BIFLUORIDE;Potassium hydrogen f;bifluoruredepotassium;potassiumacidfluoride;Kaliumhydrogenfluorid;Potassiumhydrofluoride;Potassium acid fluoride;Bifluorure de potassium
CBNumber:
CB8854344
분자식:
F2HK
포뮬러 무게:
78.1
MOL 파일:
7789-29-9.mol

이불화 칼륨 속성

녹는점
239 °C(lit.)
밀도
2.37 g/mL at 25 °C(lit.)
물리적 상태
Crystals or Crystalline Powder
Specific Gravity
2.37
색상
White to light gray
수용성
39 g/100 mL (20 ºC)
감도
Hygroscopic
Merck
14,7610
CAS 데이터베이스
7789-29-9(CAS DataBase Reference)
NIST
Potassium hydrogen fluoride(7789-29-9)
EPA
Potassium fluoride (K(HF2))(7789-29-9)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 T,C
위험 카페고리 넘버 25-34
안전지침서 26-36/37/39-45-37-22
유엔번호(UN No.) UN 3421 8/PG 2
WGK 독일 1
RTECS 번호 TS6650000
F 고인화성물질 3
위험 참고 사항 Corrosive
TSCA Yes
위험 등급 8
포장분류 II
HS 번호 28261990
그림문자(GHS):
신호 어: Danger
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
H302 삼키면 유해함 급성 독성 물질 - 경구 구분 4 경고 P264, P270, P301+P312, P330, P501
H314 피부에 심한 화상과 눈에 손상을 일으킴 피부부식성 또는 자극성물질 구분 1A, B, C 위험 P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
예방조치문구:
P260 분진·흄·가스·미스트·증기·...·스프레이를 흡입하지 마시오.
P280 보호장갑/보호의/보안경/안면보호구를 착용하시오.
P303+P361+P353 피부(또는 머리카락)에 묻으면 오염된 모든 의복은 벗거나 제거하시오 피부를 물로 씻으시오/샤워하시오.
P305+P351+P338 눈에 묻으면 몇 분간 물로 조심해서 씻으시오. 가능하면 콘택트렌즈를 제거하시오. 계속 씻으시오.
P405 밀봉하여 저장하시오.

이불화 칼륨 C화학적 특성, 용도, 생산

화학적 성질

WHITE TO LIGHT GREY CRYSTALS OR CRYSTALLINE POWDER

용도

In the preparation of pure potassium fluoride; as an electrolyte in the manufacture of fluorine; frosting glass; treating coal to prevent slag formation; flux for silver solders; catalyst in the alkylation of benzene with olefins.

일반 설명

Colorless crystals, corrosive to tissues, etches glass.

공기와 물의 반응

Water soluble giving strongly acidic solutions.

반응 프로필

Acidic salts, such as Potassium hydrogen fluoride, are generally soluble in water. The resulting solutions contain moderate concentrations of hydrogen ions and have pH's of less than 7.0. They react as acids to neutralize bases. These neutralizations generate heat, but less or far less than is generated by neutralization of inorganic acids, inorganic oxoacids, and carboxylic acid. They usually do not react as either oxidizing agents or reducing agents but such behavior is not impossible.

위험도

Corrosive to tissue.

건강위험

TOXIC; inhalation, ingestion or skin contact with material may cause severe injury or death. Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.

화재위험

Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. Some are oxidizers and may ignite combustibles (wood, paper, oil, clothing, etc.). Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated.

Safety Profile

A poison. Very corrosive and reactive. A corrosive irritant to the eyes, skin, and mucous membranes. When heated to decomposition it emits toxic fumes of F and K2O. See also FLUORIDES and HYDROFLUORIC ACID.

Purification Methods

It crystallises from water. It is very soluble in hot H2O and 41% at 21o. [Kwasnik in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol I p 237 1963.]

이불화 칼륨 준비 용품 및 원자재

원자재

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