• 氟化銨 [12125-01-8]

  • 英文名:Ammonium fluoride
  • 別名:中性氟化銨 水合氟化銨 氟化銨
  • CAS號:12125-01-8 分子式:FH4N 分子量:37.04
T449-500g 氟化銨 [12125-01-8] 99.9% 500g 420.00 促銷價:294.00
T448-100g 氟化銨 [12125-01-8] 99.9% 100g 160.00 促銷價:112.00
T447-250g 氟化銨 [12125-01-8] 99.9% 25g 45.00 促銷價:31.50
T448-500g 氟化銨 [12125-01-8] ACS98% 500g 182.00 促銷價:127.40
T446-250g 氟化銨 [12125-01-8] AR96% 500g 58.00 促銷價:36.54
T447-500G 氟化銨 [12125-01-8] AR98% 500G 71.00 促銷價:44.73
T442-100g 氟化銨 [12125-01-8] ≥99.99% 100g 282.00 促銷價:197.40
T441-25g 氟化銨 [12125-01-8] ≥99.99% 25g 138.00 促銷價:96.60
T440-5g 氟化銨 [12125-01-8] ≥99.99% 5g 70.00 促銷價:49.00
訂貨編號 商品名稱 規(guī)格 包裝 單價 促銷價 會員價 數(shù)量
T449-500g 氟化銨 [12125-01-8] 99.9% 500g 420.00 294.00 登錄可見
T449-500g 氟化銨 [12125-01-8] 99.9% 500g 420.00 促銷價:294.00
T448-100g 氟化銨 [12125-01-8] 99.9% 100g 160.00 112.00 登錄可見
T448-100g 氟化銨 [12125-01-8] 99.9% 100g 160.00 促銷價:112.00
T447-250g 氟化銨 [12125-01-8] 99.9% 25g 45.00 31.50 登錄可見
T447-250g 氟化銨 [12125-01-8] 99.9% 25g 45.00 促銷價:31.50
T448-500g 氟化銨 [12125-01-8] ACS98% 500g 182.00 127.40 登錄可見
T448-500g 氟化銨 [12125-01-8] ACS98% 500g 182.00 促銷價:127.40
T446-250g 氟化銨 [12125-01-8] AR96% 500g 58.00 36.54 登錄可見
T446-250g 氟化銨 [12125-01-8] AR96% 500g 58.00 促銷價:36.54
T447-500G 氟化銨 [12125-01-8] AR98% 500G 71.00 44.73 登錄可見
T447-500G 氟化銨 [12125-01-8] AR98% 500G 71.00 促銷價:44.73
T442-100g 氟化銨 [12125-01-8] ≥99.99% 100g 282.00 197.40 登錄可見
T442-100g 氟化銨 [12125-01-8] ≥99.99% 100g 282.00 促銷價:197.40
T441-25g 氟化銨 [12125-01-8] ≥99.99% 25g 138.00 96.60 登錄可見
T441-25g 氟化銨 [12125-01-8] ≥99.99% 25g 138.00 促銷價:96.60
T440-5g 氟化銨 [12125-01-8] ≥99.99% 5g 70.00 49.00 登錄可見
T440-5g 氟化銨 [12125-01-8] ≥99.99% 5g 70.00 促銷價:49.00
  •  訂貨編號
  •  商品名稱
  •  規(guī)格
  •  包裝
  •  單價
  •  促銷價
  •  會員價
  •  數(shù)量

化學(xué)性質(zhì)

白色或無色透明斜方晶系結(jié)晶,略帶酸味。有毒!微溶于醇、極易溶于冷水,熱水中分解,水溶液呈強酸性,熔點 98°C ,沸點 65°,760mmHg ,密度 1.11 g/mL at 20 °C

質(zhì)量標(biāo)準

  

項目Item                                         優(yōu)級純      分析純      化學(xué)純
                                                  (GR)        (AR)        (CP)
含量(NH4F)Assay,%                                 ≥98.0      98.0        96.0
澄清度試驗Clarity                                  合格       合格        合格
灼燒殘渣(以硫酸鹽計)Ignition residue,%            ≤0.005     0.02        0.05
游離酸(以NH4HF2計)Free acids,%                    ≤0.2       0.5         1.0
氯化物(Cl)Chloride,%                              ≤0.0005    0.005       0.01
硫酸鹽(SO4)Sulfate,%                             ≤0.005     0.01        0.01
氟硅酸鹽(SiO3)Silicofluoride,%                    ≤0.04      0.15        0.30
鐵(Fe)Iron,%                                      ≤0.0005    0.002       0.004
銅(Cu)Copper,%                                    ≤0.0005     --          --
重金屬(以Pb計)Heavy metals,%                      ≤0.0005    0.001       0.001


項目名稱Item                                      ACS Grade
含量Assay                                         ≥98.0%
不溶物Insoluble matter                            ≤0.005%
灼燒殘渣Residue after ignition                    ≤0.01%
氯化物(Cl)Chloride(Cl)                            ≤0.001%
硫酸鹽(SO4)Sulfate                                ≤0.005%
重金屬(以Pb計)Heavy metals(as Pb)                 ≤5ppm
鐵(Fe)Iron(Fe)                                    ≤5ppm


項目                                    電子級    
                                     (semiconductor grade)
含量 %                                 39.0-41.0
色度 Hazen                                10
pH(1%水溶液,25oC)                       6.5-7.0
氯離子 ppm                                2
硝酸鹽 ppm                                3
磷酸鹽 ppm                                0.2
硫酸鹽 ppm                                1
鋰 ppb                                    10
鈉  ppb                                   10
鎂  ppb                                   10
鋁 ppb                                    10
鉀 ppb                                    10
鈣 ppb                                    10
鉻  ppb                                   10
錳  ppb                                   10
鐵 ppb                                    10
鎳  ppb                                   10
鈷  ppb                                   10
銅  ppb                                   10
鋅  ppb                                   10
鉬  ppb                                   10
鎘 ppb                                    10
鉛 ppb                                    10
銀  ppb                                   10
顆?!?gt;=1.0um 個/ml                       25
顆?!?gt;=0.5um 個/ml                       100


99.99% metals basis:


外觀Appearance                          白色結(jié)晶或顆粒等
X-射線衍射分析X-Ray Diffraction         Conforms to standard
純度Purity                              ≥99.99% Based On Trace Metals Analysis
總金屬雜質(zhì)Total metallic impurities     100ppm by ICP Atomic emission
氟F                                     50.3% - 52.3%  (T)

  

危險性質(zhì)

類別 有毒物品
毒性分級 劇毒
急性毒性 腹腔-大鼠 LD50: 31 毫克/公斤; 皮下-狐貍LDL0: 280 毫克/公斤
可燃性危險特性 受熱分解有毒, 可燃氨氣體; 遇酸放出有毒氟化氫氣體
儲運特性 庫房通風(fēng)低溫干燥; 與酸類, 堿類, 食品和CLF3分開儲運
滅火劑 水
職業(yè)標(biāo)準 TWA 2.5 毫克 (氟)/立方米; STEL 5 毫克 (氟)/立方米

  

用途及存儲

用作玻璃蝕刻劑、金屬表面的化學(xué)拋光劑、釀酒的消毒劑、防腐劑、纖維的媒染劑。也用于提取稀有元素

  密封干燥保存。