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과황산 칼륨

과황산 칼륨
과황산 칼륨 구조식 이미지
카스 번호:
7727-21-1
한글명:
과황산 칼륨
동의어(한글):
디칼륨과황산염;디칼륨퍼옥소디황산염;디칼륨퍼옥시디황산염;칼륨퍼옥소황산염;칼륨퍼옥시디황산염;칼륨퍼옥시디황산염(K2(S2O8));칼륨퍼옥시디황산염(K2S2O3);과황산칼륨;안티온;과황산칼륨;포타슘퍼설페이트;과황산 칼륨;디칼륨 과황산염;디칼륨 퍼옥소디황산염;디칼륨 퍼옥시디황산염;칼륨 퍼옥소황산염;칼륨 퍼옥시디황산염;칼륨 퍼옥시디황산염(K2(S2O8);칼륨 퍼옥시디황산염(K2S2O3);퍼옥시디황산(((HO)S(O)2)2O2), 디칼륨 염
상품명:
Potassium persulfate
동의어(영문):
KPS;anthion;Virkon S;BETZ 2701;PERSULPHATE;NP A SOLUTION;Potassum Suphates;SULPHATE STANDARD;POTASSIUM SULPHATE;POTTASSIUM SULPHATE
CBNumber:
CB6854294
분자식:
K2O8S2
포뮬러 무게:
270.32
MOL 파일:
7727-21-1.mol

과황산 칼륨 속성

녹는점
1067 °C
끓는 점
1689 °C
밀도
2.47
증기 밀도
9.3 (vs air)
저장 조건
Store at +5°C to +30°C.
용해도
H2O: 0.5 M at 20 °C, clear, colorless
물리적 상태
Solid
Specific Gravity
2.477
색상
White
냄새
Odorless
수소이온지수(pH)
3.2 (50g/l, H2O, 20℃)
pH 범위
2.5 - 4.5
수용성
5 g/100 mL (20 ºC)
Merck
14,7656
안정성
Stable. Strong oxidizer. Incompatible with strong reducing agents, organic materials, combustible materials.
InChIKey
USHAGKDGDHPEEY-UHFFFAOYSA-L
CAS 데이터베이스
7727-21-1(CAS DataBase Reference)
EPA
Potassium persulfate (7727-21-1)
안전
  • 위험 및 안전 성명
  • 위험 및 사전주의 사항 (GHS)
위험품 표기 O,Xn
위험 카페고리 넘버 8-22-36/37/38-42/43
안전지침서 22-24-26-37
유엔번호(UN No.) UN 1492 5.1/PG 3
WGK 독일 1
RTECS 번호 TT5900000
TSCA Yes
HS 번호 2833 40 00
위험 등급 5.1
포장분류 III
유해 물질 데이터 7727-21-1(Hazardous Substances Data)
독성 LD50 orally in Rabbit: 802 mg/kg
기존화학 물질 KE-12177
그림문자(GHS):
신호 어: Danger
유해·위험 문구:
암호 유해·위험 문구 위험 등급 범주 신호 어 그림 문자 P- 코드
H272 화재를 강렬하게 함; 산화제 산화성 액체;산화성 고체 구분 2
구분 3
위험
경고
P210, P220, P221P280, P370+P378,P501
H302 삼키면 유해함 급성 독성 물질 - 경구 구분 4 경고 P264, P270, P301+P312, P330, P501
H315 피부에 자극을 일으킴 피부부식성 또는 자극성물질 구분 2 경고 P264, P280, P302+P352, P321,P332+P313, P362
H317 알레르기성 피부 반응을 일으킬 수 있음 피부 과민성 물질 구분 1 경고 P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H319 눈에 심한 자극을 일으킴 심한 눈 손상 또는 자극성 물질 구분 2A 경고 P264, P280, P305+P351+P338,P337+P313P
H334 흡입 시 알레르기성 반응, 천식 또는 호흡 곤란 등을 일으킬 수 있음 호흡기 과민성 물질 구분 1 위험 P261, P285, P304+P341, P342+P311,P501
H335 호흡 자극성을 일으킬 수 있음 특정 표적장기 독성 - 1회 노출;호흡기계 자극 구분 3 경고
예방조치문구:
P220 의류 그리고 가연성 물질로부터 멀리하시오.
P221 가연성 물질과 혼합되지 않도록 조치하시오.
P261 분진·흄·가스·미스트·증기·...·스프레이의 흡입을 피하시오.
P280 보호장갑/보호의/보안경/안면보호구를 착용하시오.
P284 호흡 보호구를 착용하시오.
P305+P351+P338 눈에 묻으면 몇 분간 물로 조심해서 씻으시오. 가능하면 콘택트렌즈를 제거하시오. 계속 씻으시오.
P342+P311 호흡기 증상이 나타나면 의료기관(의사)의 진찰을 받으시오.
P405 밀봉하여 저장하시오.
NFPA 704
0
1 0

과황산 칼륨 C화학적 특성, 용도, 생산

용도

산화표백제,염화비닐,분석시약,금석표면처리제,아크릴수지중합제.

화학적 성질

colourless odourless crystals or white powder

화학적 성질

Potassium persulfate is a colorless or white, odorless crystalline material.

물리적 성질

Colorless or white crystals; triclinic structure; density 2.477 g/cm3; stable in solid crystalline form; decomposes on heating, evolving oxygen; completely decomposes at about 100°C; sparingly soluble in cold water 1.75 g/100mL at 0°C; moderately soluble at ordinary temperature, 5.29 g/100 mL at 20°C;aqueous solution acidic and unstable, decomposing slowly at room temperature and more rapidly when the solution is warmed; insoluble in alcohol.

용도

Bleaching fabrics, soaps; in photography under the name Anthion to remove last traces of thiosulfate from plates and paper; in analytical chemistry.

제조 방법

Potassium persulfate can be prepared by electrolysis of a mixture of potassium sulfate and potassium hydrogen sulfate at a high current density:
2KHSO4→K2S2O8+ H2
Also, the compound can be prepared by adding potassium hydrogen sulfate,KHSOto an electrolyzed solution of ammonium hydrogen sulfate, NH4HSO4.

일반 설명

A white crystalline solid. Specific gravity 2.477. Decomposes below 100°C.

공기와 물의 반응

Water soluble. Slowly decomposed by water. The salt rapidly liberates oxygen when heated, and especially so when wet.

반응 프로필

Potassium persulfate is an oxidizing agent. Noncombustible but accelerates the burning of combustible material. Potassium persulfate plus a little potassium hydroxide and water released sufficient heat and oxygen to ignite a polythene (polyethylene) liner in a container. [MCA Case History 1155. 1955].

위험도

Strong irritant and oxidizing agent. Fire risk in contact with organic materials.

건강위험

Inhalation, ingestion or contact (skin, eyes) with vapors or substance may cause severe injury, burns or death. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may cause pollution.

화재위험

These substances will accelerate burning when involved in a fire. Some may decompose explosively when heated or involved in a fire. May explode from heat or contamination. Some will react explosively with hydrocarbons (fuels). May ignite combustibles (wood, paper, oil, clothing, etc.). Containers may explode when heated. Runoff may create fire or explosion hazard.

농업용

Potassium sulphate, also called sulphate of potash, is a white crystalline material, moderately hygroscopic, available in fine, granular and semi-granular forms. It contains 48 to 54% potassium (as K2O) and supplies 17 to 20 % of sulphate. Chloride-sensitive crops like tobacco, grapes and potato require chloride-free potassium fertilizers. Therefore, these crops are fertilized with potassium sulphate, although this is more expensive than potassium chloride. These three crops, being major crops, account for about 7% of the total potash consumption. For best results, potassium sulphate should contain at least 50 % potash by weight.
Potassium sulphate occurs in nature as 'langbeinite' , a double sulphate of potassium and magnesium (K2SO4?2MgSO4) and made from burkeite (Na2CO3?2Na2SO4), kainite (KCl?MgS04?3H2O) or potassium chloride (KCl) as follows:
When applied to soil, potassium ion from the watersoluble potassium sulphate is retained in the soil colloids and not easily leached out. This makes potassium sulphate an excellent fertilizer, useful for all soils and crops while sowing or before sowing. It is also a safe ingredient of powdered, mixed fertilizers.

Safety Profile

Moderately toxic by ingestion. An irritant and allergen. A powerful oxidtzer. Flammable when exposed to heat or by chemical reaction. Can react with reducing materials. It liberates oxygen above 100' when dry or @ about 50' when in solution. When heated to decomposition it emits highly toxic fumes of SOx,, S2O8, and K2O.

잠재적 노출

Potassium persulfate is used as a bleaching and oxidizing agent; it is used in redox polymeri- zation catalysts; in the defiberizing of wet strength paper and in the desizing of textiles. Soluble in water.

운송 방법

UN1492 Potassium persulfate, Hazard Class: 5.1; Labels: 5.1-Oxidizer.

Purification Methods

Crystallise the persulfate twice from distilled water (10mL/g) and dry it at 50o in a vacuum desiccator. Its solubility in H2O is 1.6% at 0o, 4.5% at 20o, and 7.2% at 30o. An aqueous solution decomposes on long standing with evolution of O2 and formation of KHSO4. It is a powerful oxidising agent. Store it at ~10o. [Fehér in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol I p 390 1963.]

비 호환성

A strong oxidizer. Incompatible with combustible, organic or other readily oxidizable materials; sulfur, metallic dusts, such as aluminum dust; chlorates and perchlorates. Attacks chemically active metals. Keep away from moisture.

폐기물 처리

Use large volumes of reducing agents (bisulfites, e.g.). Neutralize with soda ash and drain into sewer with abundant water.

과황산 칼륨 준비 용품 및 원자재

원자재

준비 용품


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