The Disodium dihydrogen diphosphate, with the CAS registry number 68915-31-1, is also known as Phosphonate, oxybis-, disodium salt. Its EINECS number is 272-808-3. This chemical's molecular formula is H₂Na₂O₇P₂ and formula weight is 221.94. What's more, its IUPAC name is disodium [hydroxy(oxido)phosphoryl] hydrogen phosphate. Its classification code is TSCA UVCB. It should be sealed and stored in cool and dry place and be protected from strong oxidizers.

Physical properties of Disodium dihydrogen diphosphate are: (1)ACD/LogP: -3.42; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -7.96; (4)ACD/LogD (pH 7.4): -8.64; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)#H bond acceptors: 7; (8)#H bond donors: 4; (9)#Freely Rotating Bonds: 2; (10)Polar Surface Area: 121.91 Å²; (11)Topological Polar Surface Area: 130; (12)Heavy Atom Count: 11; (13)Complexity: 143; (14)Covalently-Bonded Unit Count: 3.

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: OP(=O)([O-])OP(=O)(O)[O-].[Na+].[Na+
(2)InChI: InChI=1S/2Na.H4O7P2/c;;1-8(2,3)7-9(4,5)6/h;;(H2,1,2,3)(H2,4,5,6)/q2*+1;/p-2
(3)InChIKey: GYQBBRRVRKFJRG-UHFFFAOYSA-L

The toxicity data is as follows: