The systematic name of NP-40 Alternative is Glycols, polyethylene mono(nonylphenyl) ether (nonionic). With the CAS registry number 9016-45-9, it is also named as PEG-13 Nonyl phenyl ether. The product's categories are Phenol; PEG Resins; Specialty Synthesis; Supported Synthesis. The other registry numbers are 102188-45-4, 103939-37-3, 105269-88-3, 106152-98-1, 107231-62-9, 11098-16-1 and 11103-60-9. It light yellow paste which is stable under normal temperature and pressure. Additionally, this chemical should be sealed in the container and stored in the cool and dry place.

Physical properties about NP-40 Alternative are: (1)ACD/LogP: 5.848; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 5.85; (4)ACD/LogD (pH 7.4): 5.85; (5)ACD/BCF (pH 5.5): 16387.59; (6)ACD/BCF (pH 7.4): 16387.59; (7)ACD/KOC (pH 5.5): 36169.06; (8)ACD/KOC (pH 7.4): 36169.06; (9)#H bond acceptors: 2; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 12; (12)Index of Refraction: 1.499; (13)Molar Refractivity: 81.078 cm³; (14)Molar Volume: 275.813 cm³; (15)Polarizability: 32.142 10-24cm³; (16)Surface Tension: 35.9879989624023 dyne/cm; (17)Density: 0.959 g/cm³; (18)Flash Point: 149.561 °C ; (19)Enthalpy of Vaporization: 65.846 kJ/mol; (20)Boiling Point: 376.537 °C at 760 mmHg;

Preparation of NP-40 Alternative: Heating nonyl phenol which is obtained by the condensation of phenol and nonyl alcohol (or tripropylene) to 130-135 °C. Distilling the water under stirring. Then leading to ethylene oxide and reacting at 180-200 °C, so we can get the product.

Uses of NP-40 Alternative: It is the non-ionic surfactant with good performance, which is mainly used in various cleaning agents, textile auxiliaries, lubricants, resin emulsifier, etc. And it is also an external spermicidal contraceptive.

When you are using this chemical, please be cautious about it as the following:
It is not only irritating to eyes, respiratory system and skin, but also has serious damage to the eyes. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. If you want to contact this product, you must wear suitable protective clothing and eye / face protection. 

People can use the following data to convert to the molecule structure.
1. Smiles:c1(ccc(OCCOCCO)cc1)CCCCCCCCC
2. InChI:InChI=1/C19H32O3/c1-2-3-4-5-6-7-8-9-18-10-12-19(13-11-18)22-17-16-21-15-14-20/h10-13,20H,2-9,14-17H2,1H3

The following are the toxicity data which has been tested.