Hydrogen boils at 20 K. What is the boiling point of hydrogen on the Celsius scale?

On the $\text{absolute temperatre scale}$, $0$ $\text{Kelvin}$ $=$ $- 273.15$ ""^@C.
And thus $20 \cdot K$ $=$ $- 253.15$ ""^@C, the normal boiling point of dihydrogen gas.
Typically, in the laboratory we use liquid nitrogen, $\text{b.p. = } - 196$ ""^@C, as a coolant. If we were use to argon gas in our reactions, $\text{b.p. = } - 185.9$ ""^@C, could there be any potential problem in its use?