Chemical name: Boric acid
Molecular formula: H3BO3
Molecular weight:61.834
Cas:10043-35-3
Einecs:233-139-2
H.S CODE:28100020
Характер: It is white powdery crystal or scaly luster crstal on triclinic axis with smooth hand feeling.Odorless. It is soluble in water, alcohol,glycerin. ethers and essential oils. The aqueous solution is weakly acidic.
Употребление: It can be used in the manufacture of telecommunication equipment and the high grade glass. It can also be used as metal protective agent, fire retardant, detergent and alalytical reagent. It is also used in the synthesis of boride intermediates.
Упаковка: It is packed with a plyethylene bag as the innerlayer. And a compound plastic woven bag as the outer layer. The net weight of each bag is 25kgs.
Storage and Transport: It should be stored in a dry and ventilation warehouse, Беречь от тепла и влаги во время транспортировки, разгружается с осторожностью, чтобы избежать повреждений. Кроме того, Его необходимо хранить отдельно от ядовитых веществ.
Спецификация | GBT628-2011 | |
AR | CR | |
Содержание(H3BO3),w/% ≥ | 99.5 | 99.0 |
Clarity test/No ≤ | 2 | 4 |
Ethanol solubility test | Qualify | Qualify |
Insoluble Substances,w/% ≤ | 0.005 | 0.02 |
Methanol is not volatile(As SO4),w/% ≤ | 0.05 | 0.3 |
Хлорид(Cl),w/% ≤ | 0.0005 | 0.002 |
Sulphate(SO4),w/% ≤ | 0.002 | 0.01 |
Phosphate(PO4),w/% ≤ | 0.0005 | 0.003 |
Мышьяк (Как),w/% ≤ | 0.0001 | 0.0005 |
Calcium (Ca),w/% ≤ | 0.002 | 0.01 |
Iron(Fe),w/% ≤ | 0.0005 | 0.002 |
Свинец (Пб) ,w/% ≤ | 0.001 | 0.003 |