Name | 1,2,3,4-Butanetetracarboxylic acid |
Synonyms | BTCA Butanetetraacetic acid butanetetracarboxylicacid 1,2,3,4-TETRACARBOXYBUTANE 1,2,3,4-ButaneTetraCarboxylic 1,2,3,4-Butanetetracarboxylic acid 1,2,3,4-BUTANETETRACARBOXYLIC ACID butane-1,2,3,4-tetracarboxylic acid (2R,3R)-butane-1,2,3,4-tetracarboxylate (2S,3S)-butane-1,2,3,4-tetracarboxylate (2R,3S)-butane-1,2,3,4-tetracarboxylate 1,2,3,4-BUTANETETRACARBOXYLIC ACID (BTCA) |
CAS | 1703-58-8 |
EINECS | 216-938-0 |
InChI | InChI=1/C8H10O8/c9-5(10)1-3(7(13)14)4(8(15)16)2-6(11)12/h3-4H,1-2H2,(H,9,10)(H,11,12)(H,13,14)(H,15,16)/p-4/t3-,4-/m0/s1 |
InChIKey | GGAUUQHSCNMCAU-UHFFFAOYSA-N |
Molecular Formula | C8H10O8 |
Molar Mass | 234.16 |
Density | 1.5040 (rough estimate) |
Melting Point | 193-197°C |
Boling Point | 296.47°C (rough estimate) |
Flash Point | 142.7°C |
Water Solubility | >=10 g/100 mL at 19 ºC |
Solubility | 118g/l |
Vapor Presure | 0Pa at 25℃ |
Appearance | White to white-like crystals |
Color | White |
BRN | 1729167 |
pKa | pK1: 3.43;pK2: 4.58;pK3: 5.85;pK4: 7.16 (25°C) |
Storage Condition | Sealed in dry,Room Temperature |
Refractive Index | 1.5800 (estimate) |
MDL | MFCD00002722 |
Physical and Chemical Properties | White thallus or needle-like crystals. Melting point D-L-type 236-237 ℃, meso-type 189 ℃. Solubility in water (g/18.5g water):30, 45.5; 50 °c, 81.8; 70 °c. Soluble in ethanol. Almost no hygroscopicity, placed for more than two years, the purity does not decline. |
Use | For the preparation of various functional polymer materials, such as photosensitive materials, medical polymer materials and functional polymer membrane materials |
Hazard Symbols | Xn - Harmful |
Risk Codes | R22 - Harmful if swallowed R36 - Irritating to the eyes R36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection |
UN IDs | 3261 |
WGK Germany | 3 |
RTECS | EK6100000 |
TSCA | Yes |
HS Code | 29171990 |
Toxicity | LD50 orally in Rabbit: 1720 mg/kg |
LogP | -1.41 at 25℃ |
EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
use | most of them are used for enameled wire varnish, and can also be used for adhesives, epoxy resin curing agents, etc. This product can be used to make water-soluble enamel paint without solvent. used as cotton, hemp, silk and other cellulose fiber anti-wrinkle anti-shrink agent, with the finishing agent on the fabric, can improve the shaping effect and the fabric does not contain formaldehyde most of the used for enameled varnish, can also be used for adhesive, epoxy resin curing agent and other aspects. This product can be used to make water-soluble enamel paint without solvent. Used to prepare various functional polymer materials, such as photosensitive materials, medical polymer materials and functional polymer membrane materials, etc., used as anti-wrinkle and anti-shrink agents for cellulose fibers such as cotton, hemp, and silk. The finishing agent is used to treat the fabric Finishing can improve the shaping effect and the fabric does not contain formaldehyde |
production method | obtained by oxidation of tetrahydrophthalic anhydride. The product has two existing forms: right-left-left (high melting point type) and meso (low melting point type). The product produced is equivalent to meso-racemization. The chemical abstract registration number of pure internal elimination type is [4534-68-3]. |
category | toxic substances |
toxicity classification | poisoning |
acute toxicity | oral-rat LD50: 1720 mg/kg |
stimulation data | eye-rabbit 0.1 mg moderate |
flammability hazard characteristics | thermal decomposition discharges toxic and pungent smoke |
storage and transportation characteristics | warehouse ventilation and low temperature drying |
fire extinguishing agent | water, dry powder, dry sand, carbon dioxide, foam, 1211 fire extinguishing agent |