MDL：
MFCD00011413

Molecular Formula：
KSCN

Molecular Weight：
97.18

Alias：
硫氰化鉀 Potassium sulfocyanate Potassium rhodanide

Product order：

Name	Specifications	Packing	Price	Delivery
Potassium thiocyanate	AR	500g	RMB 88	Consulting service
Potassium thiocyanate	CP	500g	RMB 77	Consulting service
Potassium thiocyanate	GR	500g	RMB 99	Consulting service
Potassium thiocyanate	ACS	500g	RMB 121	Consulting service
Potassium thiocyanate	0.1000mol/L(0.1N)	1L	RMB 429	Consulting service
Potassium thiocyanate	100g/L	1L	Inquiry	Consulting service

Character：
無色結(jié)晶。易吸濕結(jié)塊液化。熔融時變成棕色，以后漸變成綠色，冷卻后仍變白色。1g溶于0.5ml丙酮、12ml乙醇、8ml沸乙醇。易溶于水。當(dāng)溶于自身重量的水時，溫度下降約30℃。水溶液呈中性。低毒，半數(shù)致死量(大鼠，經(jīng)口)854mg/kg。
密度:1.89
熔點(diǎn):1.73℃

Quality Standard：
GB/T648-93
項(xiàng)目ltem                               　　   優(yōu)級純      分析純     化學(xué)純
                                        　　   (GR)        (AR)      (CP)
含量(KSCN),%                         　　    ≥99.0        98.5       98.0
pH(50g/L,25℃)                          　　   5.3-8.5     5.3-8.5    5.3-8.5
澄清度試驗(yàn)Clarity                       　　   合格        合格       合格
水不溶物lnsoluble matter in water,%  　　    ≤0.003       0.005      0.01
氯化物(Cl)Chloride,%                 　　    ≤0.003       0.005      0.01
硫化物(S)Sulfide,%                   　　    ≤0.001       0.001      0.005
硫酸鹽(SO4)Sulfale,%                 　　    ≤0.002       0.005      0.02
銨鹽(NH4)Ammornium,%                 　　    ≤0.001     　0.002      0.005
鈉(Na)Sodium,%                       　　    ≤0.01        0.02         --
鐵(Fe)Iron,%                         　　    ≤0.00005     0.0001     0.0002
銅(Cu)Copper,%                       　　    ≤0.0002      0.0005       --
鉛(Pb)Lead,%                         　　    ≤0.0002      0.0005     0.001
還原碘的物質(zhì)Substances reducing iodine,%     ≤0.02        0.025      0.06

ACS級
項(xiàng)目名稱　                                                ACS Grade
水不溶物Insoluble matter                                   ≤0.005%
氯化物及氯酸鹽(以Cl計(jì))Chlorine and bromide(as Cl)          ≤0.005%
硫酸鹽(SO4)Sulfate                                         ≤0.005%
銨鹽(NH4)Ammonium                                          ≤0.003%
重金屬(以Pb計(jì))Heavy metals                                 ≤5ppm
鐵(Fe)Iron                                                 ≤2ppm
鈉(Na)Sodium                                               ≤0.005%
碘消耗物Iodine-consuming substances                        passes

Storage：
密封干燥避光保存。
配制硫氰酸鹽滴定液。檢定三價鐵、銅和銀。尿液檢驗(yàn)。鎢顯色劑。容量法測定鈦的指示劑。致冷劑。照相增厚劑。