GUPHOS
Guanidine phosphate
CAS: 5423-23-4
Molecular Formula: C2H10N6.H3PO4
GUPHOS - Names and Identifiers
GUPHOS - Physico-chemical Properties
| Molecular Formula | C2H10N6.H3PO4 |
| Molar Mass | 216.14 |
| Density | 1.48 |
| Melting Point | 247-250 °C (dec.) |
| Storage Condition | Room Temprature |
| MDL | MFCD00039131 |
| Physical and Chemical Properties | Chemical properties white crystalline powder. 20 C, 15.5g solubility in water g. 20 C, 0.1g of methanol can be dissolved in 100g. Almost insoluble in benzene, acetone and ether and other organic solvents. |
| Use | Use as wood, fiber, paper and other flame retardants, waterproofing agents and rust inhibitors. |
GUPHOS - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R20/22 - Harmful by inhalation and if swallowed. R36/38 - Irritating to eyes and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37 - Wear suitable gloves. |
GUPHOS - Synthesis of guanidinium phosphate
from hownet
Author:
, Li Bin
Abstract:
guanidine phosphate and biguanidine phosphate can be obtained by reacting guanidine carbonate and phosphoric acid in an aqueous solution to control the pH of the solution. The guanidine content determination, N content and P content analysis and infrared spectrum determination showed that the purity of the product was higher.
Key words:
guanidine salt; Guanidine phosphate; biguanidine phosphate; Synthesis; Analysis
DOI:
CNKI:SUN:DBLY.0.1989-06-012
cited:
year:
1989
Last Update：2024-01-02 23:10:35
GUPHOS - Study on the application of flame retardant impregnated insulating paper by condensation of guanidine phosphate
from Wanfang
Author:
Chen Jing , Li Chao , Ling Baoshan , Li Bin
Abstract:
The Flame Retardancy of paper and paper products is one of the important fields of flame retardant research. In this paper, the flame retardant properties of impregnated insulating paper and other properties were studied by using the self-developed condensed guanidine phosphate as flame retardant. Compared with the national standard, the results show that the flame retardant not only can obtain good flame retardant performance, but also has little effect on other properties of impregnated insulation paper, and in line with national standards.
Key words:
condensed guanidine phosphate impregnated insulating paper flame retardant
year:
2000
Last Update：2023-08-16 22:09:50
GUPHOS - Introduction
At 25 ℃, the PH value of 4% aqueous solution is 8.3-8.4. The solubility of 100g of water at 20 ℃ is 15.5g. At 20 ℃, the solubility in 100g methanol is greater than 0.1g. It is almost not suitable for organic solvents such as benzene, acetone and ether.
Last Update：2022-10-16 17:30:42
GUPHOS - Method for Determining guanidine phosphate content in textiles and filling materials
patent type:
invention patent
Application (patent) number:
CN201611070908.5
application date:
20161129
Public/Announcement Number:
CN106770724A
Public/announcement date:
20170531
applicant (patent):
standard technical service (Shanghai) Co., Ltd.
inventor:
Du Jiabin , Yu Anmin , Feng Ying , Wang Peihua
National and provincial code:
CN310104
Abstract:
The present invention relates to a method for determining guanidinium phosphate content in textiles and filling materials, comprising the following steps: 1) sample pre-treatment, cut with scissors or pulverizer, sample size does not exceed 2 × 2 × 2mm, mixed evenly into a clean dry self-sealing bag, sealed standby; 2) sample extraction: weigh an appropriate amount of sample, using methanol aqueous solution ultrasonic extraction; 3) using liquid chromatography mass spectrometry to determine the concentration of guanidine phosphate in the sample extraction solution obtained in step 2); 4) according to step 3) the concentration of guanidine phosphate in the sample extraction solution is measured, and the content of guanidine phosphate in the sample is calculated, moreover, the accurate determination of guanidine phosphate content in textiles and filling materials can be realized, and the minimum quantitative concentration is 5 mg/kg, which solves the problem that there is no method to detect the content of guanidine phosphate in flame retardant.
Last Update：2023-08-16 22:09:50
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