明矾

明矾用途

【用途一】
用作色谱分析试剂，也用于细菌的染色
【用途二】
用作造纸松香胶沉降剂、浊水净化助沉剂、照相纸坚膜剂、泡沫橡胶助发泡剂、印染媒染剂等
【用途三】
食品工业中与小苏打可配成发酵粉，还用作膨松剂。
【用途四】
膨松剂；缓冲剂；中和剂；固化剂。
【用途五】
用作净化浊水的助沉剂。造纸工业用作松香胶沉降剂。感光工业用作定影液和相纸的坚膜剂。印染工业用作媒染剂和防拔染工艺的防染剂。电镀上用作电镀锌助导电剂。另外，还用作泡沫橡胶助发泡剂等。
【用途六】
铝-铬，铝－甲醛结合鞣制皮毛，用量15g/L。
【用途七】
用作水的净化剂、造纸上浆剂、印染媒染剂、缓染剂、医药防腐剂、收敛剂和外用止血剂，以及相片冲洗过程中定影液的坚膜剂。另外还可以用于牲畜拌饲料防止疾病等方面。

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明矾名称

[ CAS 号 ]:
7784-24-9

[ 中文名 ]:
硫酸铝钾十二水合物

[ 英文名 ]:
Aluminum potassium sulfate 12-hydrate

[中文别名 ]:

[英文别名 ]:

Potassium alum dodecahydrate
ALUM POTASSIUM
Alum, potassium
EINECS 233-141-3
POTASSIUM ALUMINUM SULFATE DODECAHYDRATE
aluminum potassium sulfate 12-hydrate
Potassium aluminium sulphate dodecahydrate
Aluminum Potassium s
POTASSIUM AMMONIUM SULFATE
Aluminium potassium sulfate hydrate (1:1:2:12)

明矾物理化学性质

[ 密度 ]:
1.757 g/mL at 25 °C(lit.)

[ 沸点 ]:
330ºC at 760 mmHg

[ 熔点 ]:
92 °C(lit.)

[ 分子式 ]:
H₂₄AlKO₂₀S₂

[ 分子量 ]:
474.388

[ 精确质量 ]:
473.975464

[ PSA ]:
288.04000

[ 外观性状 ]:
白色至无色晶体

[ 储存条件 ]:
库房通风低温干燥

[ 稳定性 ]:
Stable. Incompatible with steel, aluminium, copper, zinc, bases, strong oxidizing agents.

[ 水溶解性 ]:
140 G/L (20 ºC)

明矾MSDS

详细MSDS(安全技术说明书)

明矾毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: WS5690000

CAS REGISTRY NUMBER :: 7784-24-9

LAST UPDATED :: 199712

DATA ITEMS CITED :: 14

MOLECULAR FORMULA :: O8-S2.Al.K.12H2-O

MOLECULAR WEIGHT :: 474.39

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 1120 mg/kg

SEX/DURATION :: female 7-14 day(s) after conception

TOXIC EFFECTS :: Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)

REFERENCE :: OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 24,65,1982 *** REVIEWS *** ACGIH TLV-TWA 2 mg(Al)/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 2 mg(Al)/m3 JAN 1993 OEL-BELGIUM:TWA 2 mg(Al)/m3 JAN 1993 OEL-DENMARK:TWA 2 mg(Al)/m3 JAN 1993 OEL-FRANCE:TWA 2 mg(Al)/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 2 mg(Al)/m3 JAN 1993 OEL-RUSSIA:TWA 2 mg(Al)/m3 JAN 1993 OEL-SWEDEN:TWA 2 mg(Al)/m3 JAN 1993 OEL-SWITZERLAND:TWA 2 mg(Al)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 2 mg(Al)/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X2889 No. of Facilities: 45 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 406 (estimated) No. of Female Employees: 361 (estimated)

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明矾安全信息

[ 个人防护装备 ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ 危害码 (欧洲) ]:
Xn:Harmful

[ 风险声明 (欧洲) ]:
R22;R36/38

[ 安全声明 (欧洲) ]:
S22-S24/25-S37/39-S26

[ 危险品运输编码 ]:
NONH for all modes of transport

[ WGK德国 ]:
3

[ RTECS号 ]:
WS5690000

明矾制备

１．天然明矾石加工法将明矾石破碎、经焙烧、脱水、风化、蒸汽浸取、沉降、结晶、粉碎，制得硫酸铝钾成品。

2．铝矾土法用硫酸分解铝矾土矿生成硫酸铝溶液，再加硫酸钾反应，经过滤、结晶、离心脱水、干燥制得硫酸铝钾产品。

3．重结晶法粗明矾加水煮沸、蒸发、结晶、分离、干燥制得硫酸铝钾成品。

4．氢氧化铝法将氢氧化铝溶于硫酸，再加入计量的硫酸钾溶液加热反应、经过滤、浓缩、结晶、离心分离、干燥、制得硫酸铝钾成品。

5.将18.37g硫酸钾溶于70g 100℃的水中，另将70.24g十八水硫酸铝Al2(SO4)3·18H2O溶于60g 100℃的水中。趁热将这两种溶液混合，在不停的搅拌下使混合液慢慢冷却。当溶液冷却到20℃时，可获得约85g十二水硫酸铝钾的结晶。

6.采用重结晶法。将工业品硫酸铝钾加水溶解，然后经净化、除杂质、过滤、浓缩、结晶、离心脱水、干燥，制得硫酸铝钾。

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明矾文献

Novel Antibodies Reactive with Sialyl Lewis X in Both Humans and Mice Define Its Critical Role in Leukocyte Trafficking and Contact Hypersensitivity Responses.

J. Biol. Chem. 290 , 15313-26, (2015)

Sialyl Lewis X (sLe(x)) antigen functions as a common carbohydrate determinant recognized by all three members of the selectin family. However, its expression and function in mice remain undefined due...

Targeting antigens through blood dendritic cell antigen 2 on plasmacytoid dendritic cells promotes immunologic tolerance.

J. Immunol. 192(12) , 5789-801, (2014)

The C-type lectin receptor blood dendritic cell Ag 2 (BDCA2) is expressed exclusively on human plasmacytoid DCs (pDCs) and plays a role in Ag capture, internalization, and presentation to T cells. We ...

Extraction and characterization of lignin from oil palm biomass via ionic liquid dissolution and non-toxic aluminium potassium sulfate dodecahydrate precipitation processes.

Bioresour. Technol. 192 , 212-218, (2015)

The objective of this study is to extract and characterize lignin from oil palm biomass (OPB) by dissolution in 1-butyl-3-methylimidazolium chloride ([bmim][Cl]), followed by the lignin extraction thr...

更多文献

明矾

明矾用途

明矾名称

明矾物理化学性质

明矾MSDS

详细MSDS(安全技术说明书)

明矾毒性和生态

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

明矾安全信息

明矾制备

明矾文献

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