Melting point

~40 °C(lit.)

Boiling point

158 °C(lit.)

density

1.685 g/mL at 25 °C(lit.)

vapor density

3.4 (vs air)

vapor pressure

2.2 mm Hg ( 20 °C)

refractive index

n20/D 1.433

FEMA

2900 | PHOSPHORIC ACID

storage temp.

no restrictions.

solubility

H2O: soluble

pka

2.1-7.2-12.3(at 25℃)

form

Solid or Viscous Liquid

Specific Gravity

1.7

color

≤10(APHA)

PH

3.06(1 mM solution);2.26(10 mM solution);1.63(100 mM solution);

Odor

Odorless

PH Range

1.5

Water Solubility

MISCIBLE

λmax

λ: 260 nm Amax: ≤0.05λ: 280 nm Amax: ≤0.04

Merck

14,7344

BRN

1921286

Exposure limits

TLV-TWA 1 mg/m3 (ACGIH, MSHA, and OSHA); TLV-STEL 3 mg/m3 (ACGIH).

Dielectric constant

61.0

InChIKey

NBIIXXVUZAFLBC-UHFFFAOYSA-N

LogP

-2.15

CAS DataBase Reference

7664-38-2(CAS DataBase Reference)

NIST Chemistry Reference

Phosphoric acid(7664-38-2)

EPA Substance Registry System

Phosphoric acid (7664-38-2)

Hazard Codes

C,Xn,T,F

Risk Statements

34-35-22-39/23/24/25-36/38-23/24/25-11

Safety Statements

7-16-26-36/37-45-36/37/39-1/2-24/25

RIDADR

UN 3453 8/PG 3

WGK Germany

3

RTECS

TB6300000

F

3-10

TSCA

Yes

HS Code

2809 20 00

HazardClass

8

PackingGroup

III

Hazardous Substances Data

7664-38-2(Hazardous Substances Data)

Toxicity

ADI 0 to 70 mg / kg (total phosphate content in terms of phosphorus, FAO / WHO, 2001).GRAS (FDA, § 182.1073, 2000).LD501530mg / kg (rat, oral).In case of daily intake of 2 ~ 4 g, it can cause mild diarrhea. The amount of sour agent used as a cola drink is 0.02% to 0.06%.

IDLA

1,000 mg/m3